Steel Tube Packaging: Methods, Materials, Machinery, and Market Trends

1. Introduction

Defining Steel Tube Packing and Its Critical Role

Steel tube packing encompasses the essential processes and materials employed to prepare steel tubes and pipes for secure handling, protected storage, and efficient transportation following their manufacture.[^1] This critical post-production phase involves the careful selection and application of appropriate methodologies—such as bundling, wrapping, or crating—and the utilization of specific materials like straps, protective films, and end protectors.[^1] The choice of method and material is dictated by numerous factors, including the physical characteristics of the tubes (size, weight, wall thickness, surface finish), the intended duration of storage, the mode of transport, and specific customer requirements.[^1]

The fundamental purpose of steel tube packing is to preserve the integrity and quality of the product from the moment it leaves the manufacturing facility until it reaches the end-user.[^1] Effective packaging acts as a crucial barrier, safeguarding the tubes against physical damage, environmental degradation such as corrosion, and contamination during the various stages of the logistics cycle.[^1] Without adequate packing, steel tubes are vulnerable to impacts, abrasions, moisture, and other hazards that can compromise their structural integrity, surface finish, and ultimate usability.

Overview of Report Scope

This report provides a comprehensive analysis of steel tube packing and the associated machinery landscape. It begins by examining the fundamental reasons why effective packaging is imperative for steel tubes, detailing the risks encountered during handling, storage, and transportation. Subsequently, the report explores the diverse methodologies and materials currently employed in the industry, including bundling techniques, wrapping solutions, crating options, and essential ancillary protective materials.

A significant portion of the report is dedicated to surveying the types of machinery used in steel tube packing operations, covering bundling/stacking systems, strapping equipment, wrapping machinery, and end finishing equipment. Key manufacturers active in this sector are identified and profiled. Furthermore, the report outlines critical considerations for strategically selecting packing equipment, balancing production needs, automation levels, budgetary constraints, safety, reliability, and sustainability factors.

The analysis also navigates the relevant standards and regulations governing steel product packaging and shipping, including ASTM and ISO standards. Finally, the report looks toward the future, examining key advancements and trends shaping the industry, with a particular focus on automation, robotics, smart tracking technologies, and the growing emphasis on sustainability. The report concludes with strategic recommendations for optimizing packing strategies and technology adoption in the steel tube industry.

2. The Imperative of Effective Steel Tube Packaging

The journey of a steel tube from the production line to its final application involves multiple stages of handling, storage, and transportation, each presenting unique risks to the product’s condition. Effective packaging is not merely an ancillary step but a fundamental requirement to mitigate these risks, ensuring product quality, operational safety, and economic viability.

Preventing Physical Damage (Handling, Transit, Storage)

Steel tubes, by their nature, are susceptible to various forms of physical damage throughout the supply chain.

Handling

During loading, unloading, and movement within facilities, often involving equipment like forklifts and cranes, tubes face risks of impact and abrasion. Thin-walled tubes are particularly vulnerable to dents and scratches.[^1] Packaging solutions such as secure bundling using Hessian or PVC cloth with straps, or more robust methods like wooden crates, wooden boxes, or metal skids, provide essential protective barriers against these handling hazards.[^1] For delicate or high-finish tubes, specialized handling procedures and protective materials are employed to preserve their integrity.[^1]

Transit

The transportation phase, whether by road, rail, or sea, exposes steel tubes to significant stresses, including vibrations, shocks from sudden movements, and potential impacts.[^1] Effective packaging is paramount to secure the load and prevent damage. Bundling techniques, often reinforced with materials like PVC film and plywood sheets for export shipments, create stable units that resist movement.[^1] Crating and the use of skids further enhance stability.[^3] Proper internal packing within bundles or crates prevents tubes from shifting and rubbing against each other, which can cause surface damage.[^8] An appreciable dent incurred during transit can potentially render a pipe unusable, leading to significant loss.[^10]

Storage

Whether stored indoors in warehouses or outdoors in yards, steel tubes remain vulnerable. Improper stacking or shifting during storage can lead to bending, crushing, or other structural damage.[^1] Secure bundling and boxing help maintain the structural integrity of the tubes.[^1] It is also crucial to adhere to stacking limits to prevent deformation of tubes in the lower layers of a stow.[^10]

The nature of physical risk evolves throughout the logistics process. Handling risks often manifest as localized impacts resulting in dents or scratches, whereas transit risks encompass broader issues like vibration fatigue, load shifting, and significant impacts. Storage risks primarily involve potential crushing or bending due to improper stacking or load instability. Consequently, effective packaging strategies must anticipate and mitigate the cumulative effects of these distinct hazards encountered across the entire journey, demanding solutions robust enough for the most challenging stage.

Protection Against Environmental Factors (Corrosion, Contamination)

Beyond physical damage, steel tubes are susceptible to environmental degradation, primarily corrosion and contamination.

Corrosion

Steel, particularly carbon steel, is prone to rust when exposed to moisture (rain, humidity, ship sweat, condensation) and atmospheric oxygen.[^1] Dust and other airborne contaminants can also accelerate corrosion or contaminate the tube surface. Small diameter and thin-walled tubes are especially vulnerable, as rust development can quickly compromise their structural integrity and lead to defects.[^10]

Protective Measures

Several packaging strategies are employed to combat corrosion and contamination:

• VCI Technology: Vapor Corrosion Inhibitor (VCI) paper and films release vapors that form a protective molecular layer on the steel surface, preventing rust even in hard-to-reach areas. This is particularly effective for long-term storage or transit.[^5] VCI materials offer active protection against moisture and corrosive elements.
• Barrier Films/Sleeves: PVC sleeves or films provide a physical barrier against moisture, dust, and scratches, often used for polished or high-finish tubes.[^1] PVC film combined with plywood sheets is a common specification for export bundles requiring enhanced protection.[^1]
• Container Linings: When tubes are packed in crates or boxes, moisture-proof linings such as plastic sheeting or specialized cardboard are essential to prevent moisture ingress.[^2] Containers should ideally be sealed against seepage.[^2]
• End Protection: End caps or plugs are vital for preventing moisture, dirt, and debris from entering the tube interior and protecting the vulnerable tube ends from damage.[^1]
• Surface Treatments: For certain applications, such as galvanized tubes transported by sea, a passivating dip (e.g., di-chromate solution) may be applied before packing to enhance corrosion resistance.[^10]

Corrosion protection serves a purpose beyond preventing cosmetic blemishes; it is fundamental to maintaining the tube’s structural integrity and commercial value. For thin-walled tubes, even surface rust can rapidly lead to functional defects and potential rejection or claims for commercial depreciation.[^10] The selection between different protective methods, such as VCI technology versus physical barriers like PVC film, hinges on factors like the required duration of protection, the anticipated environmental conditions during storage and transit, and the specific surface finish of the tubes.[^1] Often, a combination of methods provides the most robust defense against environmental degradation.

Ensuring Safety and Handling Efficiency

Proper packaging significantly enhances safety and efficiency throughout the handling and logistics process.

• Safe Handling: Securely bundled or crated tubes form stable, unitized loads that are easier and safer to handle using mechanical equipment like forklifts and cranes.[^1] This minimizes the risk of accidents caused by shifting or falling tubes, protecting personnel and preventing product damage.[^9]
• Handling Efficiency: Well-packaged units streamline loading and unloading operations. Bundling, in particular, helps keep pipes organized and allows for faster handling compared to moving individual tubes.[^3]
• Identification and Logistics: Clear and accurate marking on each package is crucial for efficient logistics and inventory management. Shipping marks typically include product details (grade, size, furnace number), destination information, weight, quantity, and any special handling instructions.[^1] This facilitates smooth movement through the supply chain and easy identification upon arrival and in storage.[^1]

The improvements in handling efficiency derived from effective packaging directly contribute to tangible operational benefits. Streamlined loading and unloading processes reduce labor requirements and shorten vehicle turnaround times, leading to lower operational costs and optimized logistics schedules.[^8] Furthermore, the requirement for clear and consistent labeling [^1] serves not only immediate logistical needs but also acts as a foundational element for integration with sophisticated digital tracking and inventory management systems, enabling enhanced visibility and control across the supply chain (as discussed further in Section 8).

Maintaining Product Quality and Integrity

Ultimately, the primary goal of steel tube packing is to preserve the product’s quality and integrity from the manufacturing point to the final customer. Effective packaging ensures that tubes arrive in the "as-manufactured" condition, free from physical damage, corrosion, or contamination, and ready for their intended application without the need for costly rework, cleaning, or the risk of rejection.[^1] Delivering products in perfect condition is fundamental to customer satisfaction and upholds the manufacturer’s reputation for quality and reliability in the competitive steel market.[^1] Investing in appropriate packaging is, therefore, an investment in protecting the product’s value and the manufacturer’s brand image.

3. Steel Tube Packing Methodologies and Materials

A variety of methods and materials are employed for packing steel tubes, tailored to the specific characteristics of the tubes, the mode of transport, storage duration, and customer requirements. These can be broadly categorized into bundling, wrapping, crating/boxing, and the use of ancillary protective materials.

Bundling Techniques

Bundling involves grouping multiple tubes together into a single unit for easier handling and transport.

• Bundle Shapes: Common configurations include hexagonal bundles, which provide good stability for round tubes [^1], and square or rectangular bundles for correspondingly shaped tubes.[^20] For very large diameter or thick-walled pipes where individual packaging is impractical, "bare tube bundles" might be used, relying primarily on strapping for containment.[^1]
• Bundling Requirements: To ensure bundle integrity and facilitate quality control, specific requirements are often followed:
  • Uniformity: Tubes within a single bundle should ideally be from the same furnace number (batch or lot), steel grade, and specification. Mixing is generally discouraged.[^2]
  • Weight Limits: Maximum bundle weights are often specified (e.g., ranging from <50kg for small bundles to 3000kg or 5000kg for larger ones) to match handling equipment capabilities and safety standards.[^2]
  • Alignment and Length: Strict tolerances are often applied to the alignment of tube ends within a bundle (e.g., less than 20mm difference at the aligned end) and the variation in tube lengths within the bundle (e.g., less than 5mm or 10mm difference overall).[^2]
  • Joint Staggering: For tubes supplied with joints or couplings, these are typically staggered in adjacent rows within the bundle to prevent localized bulging and ensure stability.[^25]
• Strapping Materials: Bundles are secured using strapping:
  • Steel Strapping: Offers high tensile strength and is ideal for securing heavy loads of steel tubes.[^5] It requires appropriate tensioning and sealing tools.[^17] Various finishes (bright/oiled, blued, painted, zinc-coated) are available, often with a wax coating to improve handling and corrosion resistance.[^17] Metal seals (snap-on, push-type) are used to secure the strap ends.[^17]
  • Plastic Strapping (Polypropylene – PP / Polyester – PET): Lighter and potentially more economical than steel, suitable for lighter bundles or where steel strapping might cause surface damage. Requires specific tensioning and sealing methods (often heat sealing or friction welding).[^16] Polyester strapping generally offers higher strength and lower elongation than polypropylene.[^16]

These stringent requirements for bundle uniformity, encompassing furnace batch, grade, and specification [^2], extend beyond mere organizational convenience. They are fundamental to maintaining batch integrity, enabling robust traceability, and ensuring quality control throughout the supply chain. This level of detail is increasingly important for meeting regulatory requirements and integrating with advanced inventory management and quality assurance systems prevalent in modern manufacturing and logistics.

Wrapping Solutions

Wrapping involves applying a layer of flexible material around individual tubes or, more commonly, entire bundles to provide protection and containment.

• Stretch Wrapping: This method utilizes stretch film (typically Linear Low-Density Polyethylene – LLDPE) applied under tension around the bundle. Orbital or horizontal stretch wrappers are commonly used for long products like tube bundles.[^8] Stretch wrapping primarily provides load containment, stability, and protection against dust, dirt, and minor moisture or scratches.[^8] Film is available in different grades (hand vs. machine) and gauges (thickness).[^16]
• Shrink Wrapping: Involves loosely applying a shrink film around the product and then using heat (e.g., in a shrink tunnel) to shrink the film tightly around the contours of the bundle.[^41] This method offers good protection against moisture and can provide a degree of tamper evidence.[^3] VCI additives are sometimes incorporated into shrink films for combined physical and corrosion protection.[^14]
• Protective Films and Papers:
  • VCI Films/Paper: Provide active corrosion protection by releasing inhibiting vapors.[^5] Essential for preventing rust during extended storage or overseas shipping.
  • PVC Film: Often used in conjunction with plywood sheets wrapped around bundles, particularly for export shipments, offering enhanced physical and weather protection.[^1]
  • Paper: Kraft paper can be used as void fill, interleaving between layers, or as a basic wrapping material.[^16] Polypropylene (PP) fibered paper is also used for wrapping.[^17]
  • Cloth Wrapping: Traditional materials like Hessian (burlap) or more modern PVC cloth are sometimes used to wrap bundles, secured with straps.[^1] They offer basic protection against abrasion and dirt.

The selection between stretch wrap, shrink wrap, and specialized protective films like VCI is contingent upon the specific environmental challenges anticipated and the required duration of protection. Stretch wrap offers fundamental containment and defense against dust.[^8] Shrink wrap provides a more effective barrier against moisture ingress.[^16] VCI technology delivers active, long-term corrosion inhibition, which is indispensable for prolonged storage periods or demanding transit conditions, such as overseas shipments.[^5] In many cases, combining these methods, for instance, applying VCI film beneath a layer of stretch wrap, can offer a multi-layered defense strategy, optimizing protection against both physical and environmental threats.

Crating, Boxing, and Skids

For higher levels of protection, especially for sensitive or high-value tubes, crating, boxing, or the use of skids is employed.

• Wooden Crates/Boxes: Offer robust, rigid protection against impacts and handling stresses. They are frequently used for both domestic and international shipments.[^1] They are particularly suitable for fragile items like thin-walled tubes, U-bend tubes, or tubes with polished surfaces that require extra care to prevent scratches or dents.[^1] Treated wood or plywood is often specified, especially for international shipments, to comply with phytosanitary regulations.[^1] Clear marking and labeling on crates are essential.[^1]
• Metal Crates/Skids: Provide maximum durability and a secure base for very heavy pipes or bundles, facilitating safe and efficient transport by heavy equipment.[^3]
• Cardboard Boxes: Generally used for lighter-duty applications, potentially for smaller diameter or shorter length tubes, or as secondary packaging inside larger crates.[^3]
• Pallets and Skids: Serve as a structural base for stacking bundles or crates, enabling easy handling by forklifts or pallet jacks.[^5] It is crucial that pallets or skids are sufficiently sturdy to support the significant weight of steel tube loads.[^5]

Crating undoubtedly provides the highest degree of physical protection but introduces considerable trade-offs in terms of added weight, increased shipping volume, and higher costs associated with materials and handling. The decision between wood, metal, or cardboard for crating depends on a balance between the required durability, the weight capacity needed, environmental considerations (such as the need for treated wood and recyclability), and overall cost-effectiveness. Skids present a viable alternative, offering a stable handling base without the full enclosure, weight, and cost of a complete crate, suitable for applications where top and side protection is less critical or provided by other means (like wrapping).

Essential Protective Materials

Beyond the primary packing method, several ancillary materials are crucial for comprehensive protection.

• End Caps/Plugs: These are indispensable for protecting the vulnerable ends of tubes from physical damage (denting, deformation) and preventing the ingress of dirt, moisture, and contaminants into the tube interior.[^1] Common materials include various types of plastic (standard, composite, potentially specialized for certain applications like OCTG thread protection) [^2], metal caps (including self-locking types) [^44], and occasionally wood plugs.[^18] Standard caps are often supplied, but specialized types can be requested based on specific needs.[^1]
• Sleeving: Protective sleeves, typically made of PVC, are used to shield the surface of polished or sensitive tubes from scratches and abrasions during handling and transit.[^1] Stainless steel sleeves also exist, primarily for joining tubing sections.[^45]
• Dunnage: This category includes various materials used to fill voids, cushion products, brace loads, and absorb shocks within packages like crates or even tightly wrapped bundles.[^5] Common dunnage materials include foam (sheets, profiles, packing peanuts) [^5], lumber or plywood pieces for bracing [^9], fibreboard shapes [^9], paper (void fill, cushioning) [^9], and inflatable air bags placed between loads to prevent shifting.[^14] Rough dunnage paper can be used between layers to increase friction and prevent sliding.[^9]
• Interleaving/Dividers: Sheets of paper, cardboard, plastic, or fibreboard placed between layers of tubes or between adjacent bundles within a larger container to prevent rubbing, scratching, and direct contact.[^2]
• Edge Protectors: Typically made of rigid cardboard, plastic, or sometimes metal, these are placed along the edges of bundles or stacked loads before strapping or wrapping. They distribute the pressure from straps, preventing damage to the tubes, and help maintain the shape and stability of the load.[^16]

The careful selection and correct application of these ancillary protective materials are often as vital to the overall success of the packaging system as the primary method (bundling, wrapping, or crating). For instance, neglecting to use appropriate end caps [^1] can lead to damaged tube ends or internal contamination, while insufficient or improperly placed dunnage [^5] can result in movement and impact damage within a crate. This underscores the necessity of designing and implementing a holistic packaging system where all components work synergistically to provide the required level of protection, rather than focusing solely on the outer container or wrap.

Proposed Table: Steel Tube Packaging Methodologies and Material Selection Guide

The following table provides a guideline for selecting appropriate packing methods and materials based on common steel tube characteristics and shipping scenarios.

Table 3.1: Steel Tube Packaging Methodologies and Material Selection Guide

Tube Characteristic	Primary Packing Method	Recommended Materials	Key Considerations/Trade-offs
Large Diameter / Thick Wall (Robust)	Bundling (Bare)	Straps: Heavy-duty Steel Strapping [^5] End Protection: Heavy-duty Plastic or Metal End Caps/Plugs [^44] Dunnage: Wood blocks/skids for separation/lifting [^3]	Focus on secure containment and handling ease. Minimal protection against surface damage or environment. Cost-effective. [^1]
Standard Tubes (Domestic/Short Transit)	Bundling (Hex/Square)	Straps: Steel or Polyester (PET) Strapping [^16] Wrapping (Optional): Basic Stretch Film [^8] End Protection: Standard Plastic End Caps [^1] Ancillary: Edge Protectors [^16]	Balanced approach between protection and cost. Moderate environmental protection. Efficient handling.
Small Diameter / Thin Wall (Fragile)	Crating/Boxing	Container: Wooden Box/Crate (potentially treated wood) [^1] Internal: VCI Paper/Film lining [^5], Foam/Cushioning Dunnage [^5], Interleaving [^9] End Protection: Secure End Caps/Plugs [^1]	High level of physical protection required. Higher cost and weight. Focus on preventing dents, scratches, bending. [^1]
Polished / High Surface Finish	Wrapping & Crating	Primary Wrap: VCI Film/Paper [^5], PVC Sleeves [^1] Container: Wooden Box/Crate [^1] Internal: Soft Dunnage (Foam, Bubble Wrap) [^7], Interleaving End Protection: Non-marring End Caps	Maximum protection against scratches, abrasion, and corrosion. Higher cost. Careful handling essential throughout.
Export / Long Duration Transit/Storage	Bundling & Wrapping	Straps: Steel Strapping (potentially zinc-coated) [^17] Wrapping: VCI Film/Paper [^5], Heavy-duty Stretch/Shrink Film [^16], PVC Film + Plywood Sheets [^1] End Protection: Secure, well-sealed End Caps [^1] Ancillary: Edge Protectors, Dunnage Bags (if containerized) [^14]	High level of corrosion and weather protection needed. Robust physical protection for long/complex journeys. Compliance with import regulations (e.g., wood treatment).
Note: This table provides general guidelines. Specific requirements may vary based on exact tube specifications, customer agreements, and carrier regulations.

4. Survey of Steel Tube Packing Machinery

To efficiently implement the packing methodologies described, various types of machinery are utilized in the steel tube industry, ranging from manual tools to fully automated integrated lines.

Bundling and Stacking Systems

These systems automate the process of organizing finished tubes into bundles ready for strapping or wrapping.

• Functionality: Machines are designed to automatically receive tubes from the mill or a feeding system, count them, arrange them layer by layer, and form them into predetermined bundle shapes, typically hexagonal for round tubes or square/rectangular for corresponding profiles.[^19]
• Stacking Technologies: Various mechanisms are used for layering the tubes, including mechanical layering systems [^23], robotic arms offering flexibility [^20], cantilever systems often suited for larger pipes [^20], double house stackers for stability with large pipes [^20], and electromagnetic systems.[^53]
• Integration: These systems can be designed as standalone (offline) units or integrated directly into the tube mill production line (online) for continuous flow.[^19]
• Capabilities: Systems are designed to handle a range of tube sizes, shapes, and lengths, often with high stacking speeds to match mill output.[^24] They aim to improve efficiency, reduce manual labor, and handle tubes gently to prevent surface damage.[^20]

Strapping Equipment

Strapping machines apply and secure straps around bundles to maintain their integrity.

• Automation Levels:
  • Manual Tools: Include tensioners (to pull the strap tight), crimpers/sealers (to secure metal seals), or combination tools (performing multiple functions). Sealless tools create a joint by interlocking the strap ends without a separate seal.[^28] Pneumatic manual tools are common for steel strapping, providing high tension.[^29]
  • Semi-Automatic Machines: The operator typically positions the bundle and manually feeds the strap around it; the machine then automatically tensions, seals (or welds), and cuts the strap.[^28] Often tabletop or standalone units.
  • Fully Automatic Machines: These are integrated into packaging lines. They automatically detect the bundle’s position, feed the strap around it, tension, seal/weld, and cut the strap without operator intervention.[^20]
• Strap Material Compatibility: Machines are generally designed for either steel strapping or plastic (PP/PET) strapping, utilizing different tensioning and sealing mechanisms. Steel strapping machines often use mechanical seals or sealless joints, while plastic strapping machines commonly employ heat sealing or friction welding.[^28]
• Key Features: Important considerations include the range of strap widths and thicknesses the machine can handle, maximum achievable tension, sealing method and strength, cycle speed (straps per minute), power source (manual, pneumatic, electric), and ease of integration into automated lines.[^28] Heavy-duty strapping heads are available for demanding applications like large steel bundles.[^59]

Wrapping Machinery

Wrapping machines apply protective films around bundles or individual large tubes.

• Orbital/Horizontal Stretch Wrappers: These are the most common type for long products like steel tube bundles. The bundle passes horizontally through a rotating ring that dispenses stretch film, spirally wrapping the product.[^8]
• Automation: Available as semi-automatic (requiring operator initiation and film attachment/cutting) and fully automatic models (integrating into conveyor lines with automatic film clamping, wrapping, and cutting).[^31]
• Capabilities: Machines come with various ring diameters (e.g., 50cm up to 250cm or more) to accommodate different bundle sizes.[^32] Features often include variable ring speed, adjustable film tension control, programmable wrap patterns (overlap control), and integration with infeed/outfeed conveyors.[^33] They are specifically designed for items like pipes, tubes, profiles, timber, and other elongated products.[^8]
• Shrink Tunnels/Systems: While widely used in general packaging, dedicated shrink wrapping systems specifically for large steel tube bundles appear less common in the reviewed materials compared to orbital stretch wrappers. Such systems would typically involve applying a shrink film sleeve or bag around the bundle, followed by passage through a heat tunnel to shrink the film tightly.[^41]

End Finishing Equipment

This category includes machinery for applying protective elements to tube ends or sealing the ends themselves.

• End Capping Machines: These machines apply pre-formed caps (usually plastic or metal) onto the ends of individual tubes.
  • Types: Systems range from manual application aids to semi-automatic benchtop units and fully automatic rotary or inline machines.[^60]
  • Functionality: Automatic machines often incorporate cap feeding systems (vibratory bowls, elevators), cap sorting and orientation mechanisms, pick-and-place applicators, and mechanisms for securing the cap (press-on application or controlled torquing for screw caps).[^60] They can handle various cap sizes and types.[^60] While prevalent in industries like bottling and cosmetics, adapting this technology specifically for high-speed capping of individual steel tubes before bundling is feasible.
• End Plugging Machines: These insert plugs into the tube ends.
  • Types: Similar to cappers, these range from manual insertion to semi-automatic presses and fully automatic systems, often rotary, that place plugs into containers.[^64] Specialized machines exist for applying protective caps to fittings or duct ends.[^65]
• End Sealing Machines: These machines modify the tube end itself to create a closure, rather than applying a separate cap or plug.
  • Technology: Methods include using heat (often Radio Frequency – RF heating) combined with rotary forming or spinning to close the end.[^67] CNC control allows for precise shaping.[^67] This is often considered part of the tube manufacturing/finishing process rather than purely packaging for transit.

A critical distinction exists between machinery designed for applying protective caps or plugs solely for packaging purposes—preventing damage and contamination during handling, storage, and transit [^44]—and equipment intended for other functions. These other functions include operational plugging using high-pressure tools for isolating live pipelines during maintenance (as offered by companies like TDW and STATS Group) [^72], or tube end forming and sealing as an integral part of the manufacturing process to create specific product features.[^67] This report focuses exclusively on machinery related to packaging protection.

While highly automated systems exist for capping individual items like bottles at high speeds [^60], and fully automated lines are available for bundling and strapping steel tubes [^19], the specific application of automatically capping entire bundles of tubes post-formation appears less commonly addressed in standard machinery offerings based on the reviewed information. This suggests that manual or semi-automatic application of end protection to bundles might still be prevalent. Potential integration strategies for higher automation could involve capping individual tubes before they enter the bundling system or utilizing robotic arms equipped with specialized end-effectors to place caps onto the ends of formed bundles. The relative lack of dedicated automatic bundle end-capping solutions might indicate technical challenges, cost considerations, or a market preference for existing methods.

Integrated Packing Lines

The highest level of automation involves integrated packing lines that combine multiple functions into a seamless process.

• Components: These lines typically start with tube feeding and counting, followed by automated stacking and bundle formation, then automatic strapping and/or wrapping. Downstream components can include bundle conveying, weighing stations, automatic labeling systems, and transfer to storage areas.[^19]
• Benefits: The primary advantages are significantly increased throughput, reduced reliance on manual labor, improved consistency and quality of the final package, enhanced safety, and streamlined workflow integration with upstream manufacturing processes.[^19]
• Providers: Several manufacturers specialize in providing turnkey or customizable integrated packing lines tailored to the specific needs of tube and pipe producers.[^20]

Proposed Table: Overview of Steel Tube Packing Machinery

The following table summarizes the main categories of machinery used in steel tube packing.

Table 4.1: Overview of Steel Tube Packing Machinery

Machine Type	Automation Level	Key Features/Technology	Typical Application in Steel Tube Packing	Example Manufacturers (Illustrative)
Bundler/Stacker	Semi-Auto, Fully Auto	Tube counting, layering (mechanical, robotic, electromagnetic), bundle shaping (hex, square), online/offline integration	Automatically forming tubes into stable bundles after production	ZTZG Steel Tech [^20], Contor [^22], Fives Group [^23], TUBO [^49], Shijiazhuang Teneng [^48]
Strapper	Manual, Semi-Auto, Fully Auto	Tensioning, sealing (metal seals, sealless, heat seal, friction weld), strap cutting, steel/plastic strap compatibility	Securing bundles to maintain integrity during handling and transit	FROMM [^59], Signode [^83], Mosca [^84], ITIPACK [^85], Messersi [^86], Technopack (JORES) [^28], Handpack [^29]
Wrapper (Orbital)	Semi-Auto, Fully Auto	Rotating ring, stretch film application, tension control, automatic clamp/cut (auto models), various ring sizes	Applying protective stretch film around bundles for containment and protection	Handle It [^31], FROMM [^33], SHJLPACK [^38], TAB Industries [^34], Ausim [^37]
End Capper/Plugger	Manual, Semi-Auto, Fully Auto	Cap feeding/sorting (auto), pick-and-place, press-on/screw-on application, torque control (screw caps)	Applying protective caps/plugs to individual tube ends (often pre-bundling)	Kinex Cappers [^60], Accutek [^87], BellatRx [^61], Quick-Set [^65] (Note: Adaptation likely needed for steel tubes)
Integrated Line	Fully Auto	Combination of stacking, bundling, strapping, wrapping, conveying, potentially weighing/labeling	Complete end-of-line automated packaging solution integrated with tube mill	Fives Group [^23], FROMM [^59], Contor [^22], ZTZG Steel Tech [^20], Signode [^83]
Note: Manufacturer list is illustrative based on reviewed sources and may not be exhaustive. Automation levels and features vary significantly between specific models.

5. Key Manufacturers in Steel Tube Packing Machinery

Methodology

This section profiles key manufacturers identified during the research process that offer machinery relevant to the packing of steel tubes, including bundling, strapping, wrapping, and potentially end finishing equipment adaptable for this purpose. The focus is on suppliers whose offerings directly address the challenges of handling and protecting steel tubes. It is important to note that many suppliers have broader portfolios, and this analysis concentrates on their relevance to the steel tube sector. Manufacturers solely focused on tube production machinery (mills, cutters, benders) or unrelated packaging segments are excluded unless they also offer specific, relevant packing solutions.

Profiles of Prominent Suppliers

• Fives Group: An international industrial engineering group, Fives offers sophisticated, integrated solutions for tube finishing lines. Their offerings include the high-end, fully automatic Robopack system, known for its modularity, advanced software, and suitability for high-productivity lines requiring precision and customization.[^23] They also provide the Taylor-Wilson Packaging System, which offers greater flexibility in automation levels (manual, semi-auto, automatic) and can handle various tube shapes and bundle configurations using mechanical layering technology.[^23] Fives focuses on providing comprehensive end-of-line solutions.
• FROMM Packaging Systems: With a global presence, FROMM specializes in strapping machines and wrappers, offering robust solutions for heavy industries like tubes and pipes.[^59] They produce heavy-duty strapping heads capable of handling wide steel straps (up to 1 ¼”) suitable for large bundles, including the MH611 head designed for round products.[^59] FROMM also offers orbital wrapping machines (FV300 semi-auto, FV350/OMC automatic inline series) with various ring sizes.[^33] They emphasize customization and the development of turnkey automated systems.[^59]
• Contor (ShenYang Contor Mechanical & Electrical Equipment Co., Ltd): A Chinese manufacturer specializing in equipment for welded pipe production lines, including automatic steel tube bundling and packing lines.[^22] Their systems typically integrate hexagon forming (for bundles), feeding, automatic packaging (bundling and strapping), and conveying. They offer customization options, including manual or automatic modes for certain functions, and integration of weighing and labeling systems.[^22]
• ZTZG Steel Tech (Shijiazhuang Zhongtai Pipe Technology Development Co., Ltd.): Another Chinese provider focused on pipe production lines, ZTZG offers automatic and semi-automatic stacking and packing machinery for steel tubes.[^20] They provide various stacking technologies (robot arm, cantilever, electromagnetic) and packing options (manual packer, automatic baler) suitable for different tube sizes and automation requirements. Their solutions can be integrated into tube mill lines.[^20]
• Signode: A major global packaging company with a broad portfolio catering to the metals industry.[^83] While specific machine details for tubes were limited in the reviewed sources, Signode offers strapping systems (likely including heavy-duty options for steel), protective packaging materials (including VCI wraps like PanaceaWrap®), dunnage, and custom-engineered protective solutions.[^83] They emphasize automation and integrated end-of-line systems, making them a potential provider for comprehensive solutions, though direct inquiry is recommended for specific tube packing machinery.[^83]
• Handle It Inc.: Based in the USA, Handle It specializes in material handling and packaging equipment, with a notable focus on orbital wrapping machines suitable for long products like tubes and pipes.[^31] They offer semi-automatic, fully automatic, and C-style orbital wrappers with a wide range of ring sizes (up to 98 inches), catering to various product dimensions and automation needs.[^31]
• SHJLPACK (Jinglin Packaging Machinery Co., Ltd.): A Chinese manufacturer offering various packaging solutions, including orbital stretch wrapping machines (GG series) specifically engineered for pipes, tubes, and other horizontal objects.[^38] Their orbital wrappers feature PLC/HMI controls and can be integrated into automatic production lines. They also list automatic packing lines and other horizontal packing machines in their portfolio.[^19]
• Kinex Cappers®: A US-based manufacturer specializing in capping machines (automatic, benchtop, handheld) for applying screw caps and snap-on caps.[^60] While their primary market is bottle capping, their technology (chuck cappers, spindle cappers, cap feeders) represents the type of system that could potentially be adapted or integrated for applying protective end caps to individual steel tubes prior to bundling, particularly in automated scenarios.
• Other Potential Suppliers: The market includes numerous other players, many visible on industrial sourcing platforms like Alibaba, Made-in-China, and DirectIndustry.[^20] These range from suppliers of manual strapping tools [^29] and specialized orbital wrappers [^36] to various Chinese manufacturers offering stacking, bundling, and packing machines.[^20] Additionally, companies specializing in tube end forming or sealing (e.g., HIPPO [^76], RETA Machine [^77], SLS Machinery [^67], Osvik [^78]) exist, but their primary focus is typically manufacturing processes rather than protective packaging for transit. Newberger Tool and Machine supplies self-locking metal end caps.[^44]

The manufacturing landscape for steel tube packing machinery presents a spectrum of choices. It includes large, established international corporations like Fives Group, FROMM, and Signode, which often provide highly integrated, automated systems and possess extensive global service networks. Alongside these major players, there exists a vast number of smaller or regional suppliers, with a significant concentration in Asia.[^20] These companies frequently specialize in particular machine types, such as orbital wrappers or manual strapping tools, or offer more standardized automated solutions. This diversity provides buyers with considerable flexibility regarding technological sophistication, level of automation, and investment cost, but also necessitates thorough due diligence when selecting a supplier.

Evaluating potential machinery suppliers requires looking beyond the basic specifications of the equipment offered. Factors such as a manufacturer’s demonstrated capability for customization to meet unique production needs [^22], their expertise in integrating different machines into seamless production lines [^23], the availability and responsiveness of regional technical support and service [^59], and their specific experience within the steel tube industry (e.g., handling specific product types like OCTG [^4]) become crucial differentiators. Particularly when considering complex, automated packing lines, the ability of a supplier to offer comprehensive turnkey solutions, managing the project from design through installation and commissioning, represents a significant advantage for buyers seeking to minimize integration challenges and ensure successful implementation.[^59]

6. Strategic Equipment Selection: Key Considerations

Choosing the right steel tube packing machinery is a critical decision impacting operational efficiency, product quality, safety, and overall cost-effectiveness. A strategic selection process involves careful consideration of multiple factors beyond the initial purchase price.

Matching Machinery to Production Needs

• Volume & Speed: The machinery’s throughput capacity must align with the plant’s production volume. This involves evaluating metrics like bundles per hour, strapping/wrapping cycles per minute, or overall line speed.[^41] It’s important to consider both average and peak production requirements. High-volume operations typically necessitate higher levels of automation to maintain pace and consistency.[^21]
• Tube Specifications: The equipment must be capable of handling the full range of steel tubes produced or processed. This includes accommodating the minimum and maximum outside diameters, lengths, weights, wall thicknesses, and shapes (round, square, rectangular, potentially others).[^41] Material properties, such as the hardness of the steel, must also be compatible with tooling, particularly for strapping or end-forming operations.[^93]
• Packaging Requirements: The selected machinery must be able to execute the desired packing methods (e.g., specific bundle configuration, type of wrap) and handle the chosen materials (e.g., correct strap type, width, and tension range; appropriate film type and width).[^41] If end protection (caps or plugs) is required, the integration of this step into the automated process needs to be assessed.

Automation Level vs. Operational Requirements

• Trade-offs: A key decision involves selecting the appropriate level of automation—manual, semi-automatic, or fully automatic. This requires balancing the initial investment cost against potential long-term savings in labor, improved consistency, and increased speed.[^20] Factors such as existing labor availability, workforce skill levels, the need for high repeatability, and budget constraints heavily influence this choice.
• Flexibility and Changeover: The ease and speed of changing over the machinery to accommodate different tube sizes or packaging formats is critical, especially in operations with diverse product mixes.[^24] Fully automatic systems might offer programmable recipes for faster changeovers [^61] but may require more specialized programming skills, whereas simpler systems might involve more manual adjustments.

Budgetary Constraints (CAPEX & OPEX)

• Total Cost of Ownership (TCO): Selection should be based on a comprehensive TCO analysis, not just the initial purchase price (Capital Expenditure – CAPEX). Operational Expenditures (OPEX) must be factored in, including costs for installation, commissioning, operator training, consumables (straps, film, energy), routine maintenance, spare parts, and potential production losses due to downtime.[^41]
• Return on Investment (ROI): The potential ROI should be evaluated by quantifying expected benefits such as reductions in labor costs, decreased packaging material consumption, increased throughput rates, lower incidence of product damage during handling and transit, and improved overall equipment effectiveness (OEE).[^8]

Safety, Reliability, and Maintenance Factors

• Operator Safety: Ensuring a safe working environment is paramount. Machinery should incorporate appropriate safety features like physical guarding, safety interlocks on access doors, clearly marked emergency stops, and ergonomic design principles to minimize operator strain.[^30] Performing thorough risk assessments before integrating new machinery is essential.[^41]
• Reliability and Durability: The demanding environment of steel processing requires robust and reliable equipment. Assess the machine’s construction quality, the materials used, the reputation of component suppliers [^75], and the manufacturer’s track record for durability.[^41] Look for designs specifically intended for industrial use or rough environments.[^28]
• Maintenance: Evaluate the ease of performing routine maintenance, including accessibility of components.[^28] Consider the manufacturer’s recommended service intervals, the availability and cost of spare parts, and the potential for implementing predictive maintenance strategies, possibly leveraging AI and sensor data in more advanced systems.[^28]

Sustainability and Environmental Impact

• Energy Consumption: Evaluate the energy efficiency of the machinery, as this impacts both operational costs and environmental footprint.[^90] Look for features like energy-saving modes or efficient drive systems.
• Material Compatibility: Ensure the machinery is compatible with environmentally preferred packaging materials, such as films with recycled content or biodegradable options, and supports the use of reusable packaging components where applicable.[^90]
• Material Optimization: Assess whether the machine incorporates features designed to minimize material waste, such as precise control over stretch film tension and overlap in orbital wrappers, or optimized strap feeding and tensioning in strapping machines.[^8]

Vendor Reputation and Support

• Supplier Credibility: Investigate the potential supplier’s experience in the steel industry, their technical expertise, certifications (like ISO 9001), and customer references or testimonials.[^97]
• Support Services: Evaluate the quality and availability of post-sales support, including installation assistance, operator training programs, warranty coverage, technical support responsiveness, and long-term availability of service and spare parts.[^41] Geographical proximity of service technicians can be a factor in minimizing downtime.

Ultimately, selecting the appropriate steel tube packing machinery transcends a simple matching of technical specifications. It involves a complex, multi-variable optimization process where quantifiable metrics like speed, cost, and size capability must be carefully weighed against less tangible but equally critical long-term considerations. Factors such as seamless integration into the existing safety culture [^41], proven reliability within the often harsh operating conditions of the steel industry [^29], adaptability to meet future sustainability mandates [^90], and the overall quality and responsiveness of the vendor partnership [^97] are paramount. An overemphasis on minimizing initial capital expenditure (CAPEX) without a thorough evaluation of ongoing operational costs (OPEX), safety implications, and the need for future adaptability can lead to suboptimal long-term performance and higher overall costs.

7. Navigating Standards and Regulations

While the packing of steel tubes might seem straightforward, navigating the relevant standards and regulations is important to ensure product protection, facilitate trade, and maintain compliance. These standards address packaging methods, materials, testing, and marking.

Overview of Relevant ASTM Standards

ASTM International (formerly American Society for Testing and Materials) provides numerous voluntary consensus standards relevant to packaging, including those applicable to steel products.

• ASTM A700 – Standard Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment: This is a cornerstone standard specifically addressing the packaging of steel products, including tubes. It provides guidance on best practices for various packing methods (bundling, boxing, wrapping), marking requirements, and loading procedures to ensure safe and effective shipment.[^103] Adherence to A700 helps establish common expectations between suppliers and purchasers regarding packaging quality.
• ASTM A513 – Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing: While primarily a product specification, A513 defines tolerances for outside diameter, wall thickness, and other dimensional characteristics of steel tubing.[^104] These tolerances directly impact packaging decisions, as tighter tolerances might necessitate more protective packing to prevent damage that could compromise precision.
• ASTM D3951 – Standard Practice for Commercial Packaging: This standard offers general guidelines for commercial packaging practices, aiming to ensure adequate protection during handling, storage, and distribution under normal conditions.[^105] It complements more specific standards like A700.
• Other Relevant ASTM Packaging Standards: A wide array of ASTM standards cover the testing and specification of packaging materials and systems. These include:
  • Materials Testing: Density (D1505), Environmental Stress-Crack Resistance (D2561) for plastics.[^106]
  • Container/Package Testing: Compressive Resistance (D642), Impact Testing (D880), Vibration Testing (D999), Drop Testing (D5276), Shock Cushioning (D1596), High Altitude Effects (D6653).[^106] These test methods are used to validate the protective capabilities of a chosen packaging design.
  • Closure Methods: Practices for closing, sealing, and reinforcing fiberboard boxes (D1974), relevant if tubes are boxed.[^105]
  • Terminology: Standardized definitions for packaging terms (D996).[^106]

ISO Certification Relevance

International Organization for Standardization (ISO) standards also play a role, primarily related to quality management and product specifications.

• ISO 9001 – Quality Management Systems: Many reputable manufacturers of both steel tubes and packaging machinery hold ISO 9001 certification.[^104] While not a specific packing standard, it indicates that the supplier has implemented robust quality control processes, enhancing confidence in the consistency and reliability of their products or equipment.
• EN ISO 1127 – Stainless steel tubes — Dimensions, tolerances and conventional masses per unit length: This European standard, adopted by ISO, specifies dimensions and tolerances for stainless steel tubes.[^103] Similar to ASTM A513, it provides dimensional criteria relevant to selecting appropriate handling and packaging equipment and methods.

General Commercial and Shipping Best Practices

Beyond formal standards, adherence to established commercial practices and carrier regulations is essential.

• Good Commercial Practice: Documentation often refers to packaging "in accordance with good commercial practice".[^107] This implies using methods and materials generally accepted in the industry as providing adequate protection for the product under typical shipping conditions.
• Carrier Requirements: Shipments must comply with the rules of the specific carriers being used (truck, rail, ocean freight). This includes adherence to classifications like the National Motor Freight Classification (NMFC) and Uniform Freight Classification (UFC) rules, which may dictate certain packaging requirements for acceptance.[^109] Load securement regulations are also critical.
• DOT Regulations: While general steel tube packing may not fall under specific hazardous materials regulations, if the tubes contain residual hazardous materials or if specific types of containers like sealed cylinders are used for shipment, regulations from bodies like the U.S. Department of Transportation (DOT) (e.g., 49 CFR Part 178 covering specifications for cylinders and other packagings) may apply.[^109]
• Marking and Labeling: Proper labeling is a consistent requirement, including identification of contents, quantities, origin/destination, weight, handling instructions, and any necessary safety warnings (e.g., cadmium warnings if applicable).[^1]

While specific international mandates governing the physical packing of standard steel tubes appear limited beyond general commercial practice and carrier rules, adherence to established industry guidelines, notably ASTM A700, provides a crucial framework.[^103] These voluntary standards help ensure adequate protection and foster smoother commercial transactions by setting common benchmarks for packaging quality between suppliers and customers. Furthermore, quality management certifications like ISO 9001 held by suppliers serve to build confidence in the reliability and consistency of their processes and products.[^104]

Regulatory compliance becomes more pertinent when considering the broader context of the packaged unit and its transportation. Although the steel tubes themselves might not be subject to stringent packing regulations, the materials used in the packaging (e.g., requirements for heat treatment of wooden crates and dunnage under ISPM 15 for international shipments [^1]) and the final shipping configuration (e.g., container weight limits, proper load distribution, and securement techniques using dunnage and strapping [^9]) are governed by wider transport safety regulations and carrier-specific rules. Therefore, ensuring compliance requires a holistic view that extends beyond the method used to pack the tubes themselves to encompass the entire shipping unit and its journey.

8. The Future Trajectory: Advancements in Steel Tube Packing

The steel tube packing industry, like the broader manufacturing sector, is undergoing significant transformation driven by technological innovation, efficiency imperatives, and a growing focus on sustainability. Several key trends are shaping the future of how steel tubes are packaged and handled.

Automation and Robotics Integration

The adoption of automation and robotics is rapidly increasing across all stages of steel packaging.

• Applications: Robots and automated systems are being deployed for tasks such as sorting tubes, stacking them into precise bundle configurations (hexagonal, square), automatically applying straps or stretch wrap, performing quality control checks, and palletizing finished bundles.[^19]
• Benefits: This integration drives significant improvements in precision, consistency, and speed compared to manual operations. It leads to enhanced packaging quality, reduced labor costs, increased overall equipment effectiveness (OEE), and improved workplace safety by removing personnel from potentially hazardous or repetitive tasks.[^20] Automated systems can often operate continuously (24/7), maximizing throughput.[^53]
• Cobots: Collaborative robots (cobots), designed to work safely alongside humans, are also finding applications in packaging, offering flexibility for tasks that may not require full high-speed automation or where human oversight is beneficial.[^96]

Smart Packaging and Real-Time Tracking

Technology is being integrated into packaging to provide greater visibility and data throughout the supply chain.

• Technologies: This includes incorporating elements like QR codes, RFID tags, or potentially embedded sensors directly onto packaging materials or labels.[^98]
• Capabilities: These technologies enable real-time tracking of shipments from origin to destination, providing valuable logistical data.[^101] They facilitate more accurate and efficient inventory management. Smart tags can also provide end-users with access to product information, specifications, or installation guides.[^101] In the future, sensors could potentially monitor environmental conditions (temperature, humidity) or detect impacts during transit, providing feedback on packaging performance.
• IoT Integration: This trend is closely linked to the broader adoption of the Internet of Things (IoT) in manufacturing and logistics, creating interconnected systems that generate and share data for improved decision-making.[^98]

Sustainable Materials and Practices

Sustainability is a major driving force influencing both steel production and packaging practices.

• Green Steel: The underlying trend towards "green steel" production—using methods like hydrogen-based reduction, carbon capture, and increased scrap recycling—sets the stage for a more sustainable supply chain overall.[^98]
• Sustainable Packaging: This focus extends directly to packaging materials and processes:
  • Materials: Increased demand for eco-friendly options like recyclable or biodegradable films, sustainably sourced wood for crates, and reusable packaging components (modular systems, durable crates/skids designed for multiple trips).[^101]
  • Lightweighting: Reducing the weight of both the steel tubes (where feasible) and the packaging materials helps lower transportation fuel consumption and costs.[^101]
  • Coatings: A shift away from traditional chemical coatings towards more environmentally friendly options like water-based or powder coatings for packaging components.[^101]
  • Material Efficiency: Automation plays a key role by enabling precise application of materials (e.g., optimized film usage in wrapping, correct strap tension), minimizing waste.[^8]
  • VCI Alternatives: The use of VCI technology can potentially reduce the reliance on traditional oil-based rust preventative coatings, offering a cleaner protection method.[^12]

AI and Data Analytics in Process Optimization

Artificial Intelligence (AI) and Machine Learning (ML) are being leveraged to analyze the vast amounts of data generated by modern manufacturing and packaging lines.

• Data Sources: Sensors on packaging machinery (monitoring tension, speed, temperature, material consumption), production line data, and logistics tracking information provide inputs for AI algorithms.[^98]
• Applications:
  • Predictive Maintenance: AI analyzes equipment performance data to predict potential failures in packaging machinery before they occur, allowing for proactive maintenance scheduling and minimizing costly unplanned downtime.[^98]
  • Process Optimization: AI can identify inefficiencies and optimize parameters in real-time, such as adjusting wrapping tension or strapping patterns based on product dimensions or feedback, leading to reduced material waste and improved package integrity.[^99]
  • Quality Control: Automated visual inspection systems powered by AI can detect defects in packaging application or product condition with high accuracy.[^98]
  • Simulation: Digital twin technology allows manufacturers to create virtual models of their packing lines to simulate different scenarios, test process changes, and optimize layouts before physical implementation.[^98]

The confluence of advanced automation, IoT-enabled tracking, and artificial intelligence presents the potential for creating fully autonomous, self-optimizing steel tube packing lines in the future. Imagine a system where data from sensors on wrapping and strapping machines—monitoring parameters like material usage and applied tension [^30]—is combined with real-time shipment tracking data indicating location and transit conditions.[^101] AI algorithms could then analyze this combined data stream to dynamically adjust packing parameters for subsequent bundles. For example, the number of stretch wrap layers or the tension applied by straps could be modified based on the specific tube dimensions, the destination, observed environmental conditions, or even impact data received from previous shipments along the same route. This signifies a potential paradigm shift from relying on static, pre-defined packing specifications towards dynamic, intelligent packaging systems that optimize protection and material usage based on real-world feedback.[^98]

Concurrently, the growing emphasis on sustainability, driven by both regulatory pressure and market demand [^98], is expected to significantly influence future technology choices in steel tube packing. This pressure, combined with inherent goals of cost reduction, will likely accelerate the adoption of lightweighting strategies for packaging materials [^101], promote the development and use of durable, reusable packaging systems [^101], and favor machinery explicitly designed to minimize material consumption through precision and optimization.[^8] Consequently, highly controlled automated technologies like precision orbital wrapping and optimized strapping systems may gain further preference over methods like full crating, which can be more material- and resource-intensive, particularly for applications where the absolute highest level of physical protection is not strictly necessary.

9. Conclusion and Strategic Recommendations

Summary of Key Insights

This analysis underscores the indispensable role of effective packaging in the steel tube industry. Far from being an afterthought, packing is a critical process that directly impacts product integrity, operational efficiency, safety, and customer satisfaction. The primary drivers for robust packaging strategies are the prevention of physical damage during complex logistics cycles and protection against environmental factors, particularly corrosion.

A diverse array of packing methodologies exists, ranging from basic bundling with straps to sophisticated wrapping techniques using specialized films (stretch, shrink, VCI) and protective crating or boxing. The selection of methods and materials must be carefully tailored to the specific characteristics of the steel tubes—including size, weight, wall thickness, and surface finish—as well as the anticipated rigors of handling, storage duration, and transportation route. Ancillary materials like end caps, dunnage, and interleaving are vital components of a successful packaging system.

The industry utilizes a spectrum of machinery, from manual tools to semi-automatic equipment and fully integrated, automated packing lines. Key machinery types include bundlers/stackers, strappers, orbital wrappers, and end finishing equipment (cappers/pluggers). Selecting the appropriate machinery involves a complex evaluation of production volume, speed requirements, tube specifications, desired automation level, budget (CAPEX and OPEX), safety considerations, reliability, maintenance needs, and sustainability goals. A holistic approach, considering the total cost of ownership and long-term performance, is crucial.

While specific mandatory packing regulations for standard steel tubes appear limited, adherence to voluntary standards like ASTM A700 provides essential guidance. Compliance often relates more broadly to packaging materials (e.g., wood treatment) and overall shipping practices (load securement, carrier rules). The future of steel tube packing is clearly trending towards increased automation and robotics, the integration of smart tracking technologies (IoT, RFID/QR codes), the adoption of sustainable materials and practices, and the application of AI and data analytics for process optimization and predictive maintenance.

Recommendations for Optimizing Packing Strategies and Technology Adoption

Based on the findings of this report, the following strategic recommendations are proposed for companies involved in the manufacturing, processing, or distribution of steel tubes:

1. Conduct Thorough Needs Assessments: Before investing in new packaging materials or machinery, perform a meticulous analysis of specific requirements. This includes cataloging all tube types (dimensions, materials, finishes), mapping out production volumes and flow, understanding the entire logistics chain (handling methods, storage conditions, transport modes, duration), and clearly defining customer or end-use packaging expectations.
2. Adopt a Data-Driven Approach: Implement systems to track packaging performance and costs. Collect data on damage rates during transit and handling, correlate damage with specific packing methods or routes, monitor material consumption and costs per package, and track machinery uptime and maintenance expenses. Use this data to continuously evaluate the effectiveness of current strategies and identify areas for optimization.
3. Prioritize a Holistic System View: Design and evaluate packaging solutions as integrated systems. Consider the interplay between the primary packing method (bundle, wrap, crate), ancillary protective materials (end caps, dunnage, VCI), the machinery used for application, labeling requirements, and handling procedures. Optimizing one component in isolation may not yield the best overall result.
4. Embrace Automation Strategically: Evaluate the potential benefits of automation at various levels, from semi-automatic tools to fully integrated lines. Base decisions on quantifiable ROI projections (labor savings, throughput increases, material reduction, quality improvements), but also consider factors like workforce availability and skill sets, the need for operational consistency, and enhancements to workplace safety. Start with automating bottlenecks or high-risk manual tasks.
5. Integrate Sustainability: Proactively seek, test, and implement more sustainable packaging solutions. Explore options like films with recycled content, certified sustainable wood for crating, reusable packaging systems for closed-loop logistics, and VCI products to reduce reliance on oils. Prioritize energy-efficient machinery and equipment that optimizes material usage. This aligns with market trends and may preempt future regulatory requirements.
6. Invest in Training and Safety: Ensure that personnel responsible for operating and maintaining packaging machinery receive thorough training on proper procedures and safety protocols.[^41] Regularly review and reinforce safety standards, conduct risk assessments for new equipment, and maintain machinery according to manufacturer recommendations to ensure both operator safety and equipment longevity.
7. Foster Strong Vendor Partnerships: Select machinery suppliers based not only on equipment specifications and price but also on their technical expertise, willingness to customize solutions, responsiveness, quality of after-sales support, and long-term service availability.[^97] A collaborative relationship with a reliable vendor is crucial for successful implementation and ongoing operation, especially for complex automated systems.
8. Stay Abreast of Technological Advancements: Continuously monitor innovations in packaging materials, automation technology (including robotics and cobots), smart tracking solutions (IoT, sensors), and data analytics (AI/ML). Attend industry trade shows, read technical publications, and engage with suppliers to understand emerging technologies that could offer a competitive advantage in efficiency, cost-effectiveness, or sustainability.

By implementing these recommendations, companies in the steel tube sector can develop and maintain packaging strategies that effectively protect their products, optimize their operations, enhance safety, meet sustainability goals, and ultimately contribute to their overall business success.

Works cited

[^1]. The Importance of Effective Packaging for Steel Tubes and Pipes, accessed May 6, 2025, https://hmtl.in/blogdetail/the-importance-of-effective-packaging-for-steel-tubes-and-pipes
[^2]. Package of Steel Tube – Permanent Steel Manufacturing Co.,Ltd, accessed May 6, 2025, https://www.permanentsteel.com/newsshow/package-of-steel-tube.html
[^3]. Packaging – DS Pipe & Steel Supply, LLC – DS Pipe and Steel, accessed May 6, 2025, https://www.dspipe.com/accessories/packaging/
[^4]. Manufacturer of Stainless Steel Tubes & Pipes, accessed May 6, 2025, https://www.heavytubes.com/packing.html
[^5]. The Ultimate Guide to Steel Packaging and Shipping Best Practices – EOXS, accessed May 6, 2025, https://eoxs.com/new_blog/discover-insights-on-the-ultimate-guide-to-steel-packaging-and-shipping-best-practices-in-this-detailed-blog-perfect-for-steel-and-metals-industry-professionals/
[^6]. The Ultimate Guide To Steel Packaging And Shipping Best Practices …, accessed May 6, 2025, https://eoxs.com/new_blog/the-ultimate-guide-to-steel-packaging-and-shipping-best-practices/
[^7]. Packaging And Transportation Methods of Seamless Carbon Steel …, accessed May 6, 2025, https://www.threewaysteel.com/Packaging-And-Transportation-Methods-of-Seamless-Carbon-Steel-Pipe-id62163907.html
[^8]. Step-by-Step Horizontal Wrapper Setup Guide for Pipe Bundles – InkJet, Inc., accessed May 6, 2025, https://inkjetinc.com/blogs/default-blog/step-by-step-horizontal-wrapper-setup-guide-for-pipe-bundles
[^9]. A Guide to General Cargo Preparation/ Packaging for Shipment | Peters & May | Global Logistics, accessed May 6, 2025, https://www.petersandmay.com/guide/a-guide-to-general-cargo-preparation-packaging-for-shipment/
[^10]. Pipes (steel) – Cargo Handbook – the world’s largest cargo transport guidelines website, accessed May 6, 2025, https://www.cargohandbook.com/Pipes_(steel)
[^11]. Understanding Packing in Construction: Its Definition, Uses, and Importance in the USA, accessed May 6, 2025, https://alsyedconstruction.com/understanding-packing-in-construction-its-definition-uses-and-importance-in-the-usa/
[^12]. VCI FILMS & TUBES – VCI Bags | VCI Packaging | VCI2000, accessed May 6, 2025, https://vci2000.com/products/vci-films-tubes/
[^13]. VCI Film – IPS Packaging and Automation, accessed May 6, 2025, https://www.ipack.com/solutions/post/vci-film
[^14]. Industrial Packaging, Equipment and Supplies – Tiger Pack, Inc., accessed May 6, 2025, https://www.tigerpackinc.com/Tiger%20Pack%20Catalog.pdf
[^15]. DEFENSE BASIC PRESERVATION AND PACKING ( CERT ) Flashcards | Quizlet, accessed May 6, 2025, https://quizlet.com/759244900/defense-basic-preservation-and-packing-cert-flash-cards/
[^16]. Strapping For Packaging For Sale – A-Z Packaging, accessed May 6, 2025, https://a-zpackaging.com/products/protective-product/strapping/
[^17]. Steel Strap Seals | Season International Trading & Industries Co., accessed May 6, 2025, https://www.seasoninternational.net/steel-strap-seals.html
[^18]. How to packing the steel pipes – United Steel, accessed May 6, 2025, https://www.united-steel.com/newsshow/How-to-packing-the-steel-pipes.html
[^19]. Automatic steel tube packing line – SHJLPACK, accessed May 6, 2025, https://www.shjlpack.com/products-and-production/steel-tube-packaging-line/
[^20]. China Automatic Steel Pipe Tube Stacking & Packing Machine …, accessed May 6, 2025, https://www.ztzgsteeltech.com/automatic-steel-pipe-tube-stacking-packing-machine-product/
[^21]. Automatic Steel Pipe Stacking and Strapping Bundling Machine, accessed May 6, 2025, https://global-machinery1.en.made-in-china.com/product/wCfEIXzvleWb/China-Automatic-Steel-Pipe-Stacking-and-Strapping-Bundling-Machine.html
[^22]. automatic steel tube bundling and packing line – cold saw, accessed May 6, 2025, https://www.scontor.net/ContorNews/automaticsteeltubebu_1.html
[^23]. Packaging solutions including fully automated technology, accessed May 6, 2025, https://www.fivesgroup.com/steel/tube-finishing/packaging
[^24]. Pipe Bundling Machine – GMT Industries Limited, accessed May 6, 2025, https://gmtindustries.net/products/pipe-bundling-machine/
[^25]. Packaging method of steel pipe – Nan Steel, accessed May 6, 2025, https://www.nan-steel.com/news/packaging-method-of-steel-pipe.html
[^26]. B2B Industrial Packaging – Best Service • Best Solutions, accessed May 6, 2025, https://www.b2bind.com/
[^27]. Polyester Strapping & Tools – Associated Bag, accessed May 6, 2025, https://www.associatedbag.com/ShowCategory.aspx?CategoryID=3719
[^28]. Category: Strapping Equipment – Technopack Corporation, accessed May 6, 2025, https://technopackcorp.com/collections/category-strapping-machines
[^29]. Manual Steel Pipe Bundle Packing Machine Pneumatic Steel Strip Banding Strapping Tool, accessed May 6, 2025, https://handpack86.en.made-in-china.com/product/tTDYPnyrvuhN/China-Manual-Steel-Pipe-Bundle-Packing-Machine-Pneumatic-Steel-Strip-Banding-Strapping-Tool.html
[^30]. Automatic Poly Strapping Machine – Technopack Corporation, accessed May 6, 2025, https://technopackcorp.com/products/automatic-poly-strapping-machine
[^31]. Orbital Wrappers – Horizontal Stretch Wrap Machines | Handle It, Inc., accessed May 6, 2025, https://www.handleitinc.com/product/orbital-wrappers/
[^32]. Fully Automatic Orbital Wrapper Machines | Handle It, Inc., accessed May 6, 2025, https://www.handleitinc.com/product/orbital-wrappers/automatic-horizontal-orbital-wrappers/
[^33]. Orbital Wrapping Machines for Securing Irregular Items – FROMM Packaging Australia, accessed May 6, 2025, https://www.fromm-pack.com.au/wrapping/orbital/
[^34]. TAB Wrapper Tornado Orbital Stretch Wrapping System, accessed May 6, 2025, https://www.tabwrapper.com/
[^35]. Orbital Stretch Wrapping Machine – Affordable Packaging Solution for High-Volume Businesses, accessed May 6, 2025, https://www.rvpackagingmachinery.org/orbital-stretch-wrapping-machine-10045911.html
[^36]. orbital steel pipe packing machine – Copper Coil Packing Line, accessed May 6, 2025, https://www.coilpackingmachine.com/buy-orbital_steel_pipe_packing_machine.html
[^37]. High Quality Horizontal Stretch Wrapping Machine Orbital Stretch Film Wrapping for Steel Pipe, Door and Window. – Ausim Automation Technology (Shanghai) Co., Ltd., accessed May 6, 2025, https://ausimpack123.en.made-in-china.com/product/AwSTifHrgqcz/China-High-Quality-Horizontal-Stretch-Wrapping-Machine-Orbital-Stretch-Film-Wrapping-for-Steel-Pipe-Door-and-Window-.html
[^38]. China Orbital Stretch Wrapping Machine Suppliers and Manufacturers, accessed May 6, 2025, https://www.shjlpack.com
[^39]. China Orbital Wrapping Machine Suppliers and Manufacturers …, accessed May 6, 2025, https://www.shjlpack.com/products-and-production/horizontal-orbital-stretch-wrapper/
[^40]. Professional Manufacturer Fully-Automatic Orbital Stretch Wrapper Profile for Steel Tube, accessed May 6, 2025, https://ausimpack123.en.made-in-china.com/product/tOaTAsBzhXkr/China-Professional-Manufacturer-Fully-Automatic-Orbital-Stretch-Wrapper-Profile-for-Steel-Tube.html
[^41]. The Complete Guide To Buying Packaging Machinery, accessed May 6, 2025, https://www.industrialpackaging.com/the-complete-guide-to-buying-packaging-machinery
[^42]. Steel Strapping & Tools – Action Plastic Sales, accessed May 6, 2025, https://actionplasticsales.com/steel-strapping-tools/
[^43]. VCI corrosion inhibiting foil -Product list, accessed May 6, 2025, https://metriasp.com/en/product/vci-folia
[^44]. Metal Endcaps – Newberger Tool and Machine, LLC., accessed May 6, 2025, https://newbergertool.com/metal-stamping/
[^45]. Furcation Tubing, Sleeves, and Connector Caps – Thorlabs, accessed May 6, 2025, https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=312
[^46]. automatic steel tube strapping machine and bundling line – YouTube, accessed May 6, 2025, https://www.youtube.com/watch?v=u4_CmAgrhXI
[^47]. Pipe Bundling And Packing Line – Emanpack, accessed May 6, 2025, https://www.emanpack.com/collections/pipe-bundling-and-packing-line-56
[^48]. Mechanical Type Automatic Stacking Machine (Round and Rectangular), accessed May 6, 2025, https://www.cntubemills.com/product/auto-pipe-packing-machine/
[^49]. Well-designed Steel Pipe Making Machine – Automatic Packing Machine – TUBO, accessed May 6, 2025, https://www.tubomachinery.com/well-designed-steel-pipe-making-machine-automatic-packing-machine-tubo-products/
[^50]. 32 Steel Tube Bundle Machine China, accessed May 6, 2025, https://www.scontor.net/Products/SteelTubeBundleMachi.html
[^51]. Automatic Steel Bundle Machine(4261+) – Alibaba.com, accessed May 6, 2025, https://www.alibaba.com/showroom/automatic-steel-bundle-machine.html
[^52]. Pipe bundling machine making pipe lifting, counting and bundle stacking and strapping with adhesive tape – Emanpack, accessed May 6, 2025, https://www.emanpack.com/cases-detail/automatic-pipe-bundling-machine-for-steel-tubes-and-stainless-steel-pipes
[^53]. Automatic Pipe Packing Machine ( Stacking Machine ) – Metoweld Electro India Pvt. Ltd., accessed May 6, 2025, https://metoweld.com/automatic-pipe-packing-machine-stacking-machine/
[^54]. Simple Plastics Processing With Wholesale tube bundle machine – Alibaba.com, accessed May 6, 2025, https://www.alibaba.com/showroom/tube-bundle-machine.html
[^55]. Packing Tool For Steel Strap – Manual Steel Strapping Tool Manufacturer from Vadodara – Mandsorwala Packaging, accessed May 6, 2025, https://www.mandsorwalapackinghouse.com/packing-tool-for-steel-strap.html
[^56]. Steel Bundling Machines – Anti Theft TMT Steel Saria Binding Systems for Trucks Manufacturer from Kolkata – Favourite Tools (International), accessed May 6, 2025, https://www.ftiint.com/steel-bundling-machines.html
[^57]. Find A Low-Price Wholesale metal band wrapping machine – Alibaba.com, accessed May 6, 2025, https://www.alibaba.com/showroom/metal-band-wrapping-machine.html
[^58]. Automatic strapping machine – All industrial manufacturers – DirectIndustry, accessed May 6, 2025, https://www.directindustry.com/industrial-manufacturer/automatic-strapping-machine-80227.html
[^59]. Tubes & Pipes – FROMM Strapping Solutions, accessed May 6, 2025, https://frommstrappingsystems.com/automation/applications/tubes-pipes/
[^60]. Capping Machines, Bottle Capping Machine, Cap Tighteners, accessed May 6, 2025, https://www.kinexcappers.com/
[^61]. Cappers > Overcappers – PMMI ProSource Directory, accessed May 6, 2025, https://www.prosource.org/category/filling-capping-and-closing/cappers/overcappers
[^62]. AIPAK Capping Machine, accessed May 6, 2025, https://www.icapsulepack.com/capping-machine/
[^63]. Prestige 40 – 45 ¦ Tube Heading / Capping Machine ¦ PackSys, accessed May 6, 2025, https://www.packsysglobal.com/en/Premium-Cosmetics/Cosmetic-Tubes/Heading-and-Capping-Machines/Prestige-40-45-Header-Capper
[^64]. Rotary Plug Applicator – New England Machinery, accessed May 6, 2025, https://neminc.com/machines/rotary-plug-applicators/plugger-system/
[^65]. Machines for assembly – Quick-Set AB, accessed May 6, 2025, https://quick-set.se/en/machines-for-assembly/
[^66]. Protective Cap for Duct Bundles – Protective Cap, Microduct Endstop | Made-in-China.com, accessed May 6, 2025, https://smartpneumatic.en.made-in-china.com/product/zvjnRXTJYorM/China-Protective-Cap-for-Duct-Bundles.html
[^67]. CNC Metal Pipe End Sealing Machine – Tube Spinning Roll Forming Closing Machine with Auto Loading System – SLS Machinery, accessed May 6, 2025, https://www.slsmachinery.com/CNC-Metal-Pipe-End-Sealing-Machine-Tube-Spinning-Roll-Forming-Closing-Machine-with-Auto-Loading-System-pd585539868.html
[^68]. RF Heating Tube End Roll Closing Machine / Metal Steel Pipe End Sealing Machine, accessed May 6, 2025, https://www.slsmachinery.com/RF-Heating-Tube-End-Roll-Closing-Machine-Metal-Steel-Pipe-End-Sealing-Machine-pd46075631.html
[^69]. Welded Steel Tube Stacker Package Bundle Machine – Hebei Tubo Machinery Co., Ltd, accessed May 6, 2025, https://tubomachinery.en.made-in-china.com/product/raHpYjyOhRhU/China-Welded-Steel-Tube-Stacker-Package-Bundle-Machine.html
[^70]. Tube-end caps and connectors | Elesa, accessed May 6, 2025, https://www.elesa.com/en/elesab2bstoreus/tube-end-caps-and-connectors-us–1
[^71]. 2" Square Tubing Plug End Caps, 20 Pack Tubing Post End Cap, 50mm x 50mm Black Plastic Square Plugs, Chair Glide Floor Protector – Amazon.com, accessed May 6, 2025, https://www.amazon.com/Square-Tubing-Black-Plastic-Protector/dp/B092777J43
[^72]. Plugging Machines | T.D. Williamson, accessed May 6, 2025, https://www.tdwilliamson.com/solutions/intervention-and-isolation/plugging-machines
[^73]. Plugging Machines With Patented Plugging Heads – Laminar Pte Ltd, accessed May 6, 2025, https://laminar.com.sg/pipe-solutions/line-stopping/plugging-machines/
[^74]. Tecno Plug® Isolation Tool, Double Block & Bleed Pipeline Isolation – STATS Group, accessed May 6, 2025, https://www.statsgroup.com/products/tecno-plug-isolation-tool
[^75]. Tube End Forming Machine Manufacturing Solutions, accessed May 6, 2025, https://www.dodomachine.com/tube-end-forming-machine/
[^76]. Tube End Former l Tube End Forming Machine l Hippo – Hippo Bender, accessed May 6, 2025, https://www.hippobender.com/tube-end-former/
[^77]. Steel Tube End Sealing Machine Manufacturer, accessed May 6, 2025, https://www.retamachine.com/article/steel-tube-end-sealing-machine.html
[^78]. End Forming Machine – The Solution for Metal Tube, accessed May 6, 2025, https://machinextech.com/forming-machine/
[^79]. Tube End Sealing Machine Suppliers – Made-in-China.com, accessed May 6, 2025, https://www.made-in-china.com/manufacturers/tube-end-sealing-machine.html
[^80]. Unrivaled Efficient end cap forming machine – Alibaba.com, accessed May 6, 2025, https://www.alibaba.com/showroom/end-cap-forming-machine.html
[^81]. High-Tech Automatic Precision Pipe End Expanding Machine for Welded Pipe, accessed May 6, 2025, https://sxhngk.en.made-in-china.com/product/PwufBHXgLKWo/China-High-Tech-Automatic-Precision-Pipe-End-Expanding-Machine-for-Welded-Pipe.html
[^82]. Pipe End Molding Machine(495+) – Alibaba.com, accessed May 6, 2025, https://www.alibaba.com/countrysearch/CN/pipe-end-molding-machine.html
[^83]. Metals Industry | Signode, accessed May 6, 2025, https://www.signode.com/industries/metals/
[^84]. accessed January 1, 1970, https://www.mosca.com/en-us/solutions/by-industry/metal-industry
[^85]. accessed January 1, 1970, https://www.itipack.com/en/strapping-machines-and-systems/strapping-machines-by-industry/tube-and-pipe-strapping-machines
[^86]. accessed January 1, 1970, https://www.messersi.com/en/packaging-lines/packaging-lines-by-sector/metal-industry
[^87]. Accutek Packaging Equipment | Packaging Machinery Manufacturers, accessed May 6, 2025, https://www.accutekpackaging.com/
[^88]. Steel Tube Packing Machine Suppliers – Made-in-China.com, accessed May 6, 2025, https://www.made-in-china.com/manufacturers/steel-tube-packing-machine.html
[^89]. Automatic Capping Machine – Zonesun, accessed May 6, 2025, https://www.zonesun.com/collections/automatic-capping-machine
[^90]. 6 Key Factors To Consider When Choosing Packaging Machinery – Enoline, accessed May 6, 2025, https://enoline.com/en/articles/6-key-factors-to-consider-when-choosing-packaging-machinery/
[^91]. Choosing the Right Steel Tube Sizes, Types, and Grades for Your Project | Westfield Steel, accessed May 6, 2025, https://westfieldsteel.com/2024/05/choosing-the-right-steel-tube-sizes/
[^92]. An Engineer’s Guide For Selecting The Right Steel Tubing, accessed May 6, 2025, https://www.plymouth.com/thought-leadership/an-engineers-guide-for-selecting-the-right-steel-tubing/
[^93]. Four Key Factors to Consider When Selecting Instrumentation Tubing – Parker’s Blog, accessed May 6, 2025, https://blog.parker.com/site/usa/en-US/details-home-page/four-key-factors-to-consider-when-selecting-instrumentation-tubing-us
[^94]. Tubing Selection Guide: Types, Features, Applications – GlobalSpec, accessed May 6, 2025, https://www.globalspec.com/learnmore/flow_control_fluid_transfer/pipe_tubing_hose_fittings_accessories/tubing
[^95]. Reasons For Selecting Steel Tubes Manufacturer & Suppliers – – Enggpro, accessed May 6, 2025, https://www.enggpro.com/blogs/reasons-for-selecting-steel-tubes-manufacturer-suppliers/
[^96]. Tracking Robotics and Automation Trends from Pack Expo 2022 – Matthews Marking Systems, accessed May 6, 2025, https://matthewsmarking.com/blog/tracking-the-hottest-automation-trends-from-pack-expo-2022/
[^97]. How to Choose a Reliable Stainless Steel Pipe Supplier?, accessed May 6, 2025, https://vinssco.com/choose-a-reliable-stainless-steel-pipe-supplier/
[^98]. Steel Industry Trends 2025: Innovations, Sustainability & Market Shifts, accessed May 6, 2025, https://www.fedsteel.com/insights/steel-industry-trends-2025/
[^99]. How AI and Robotics are Reshaping Steel Manufacturing and Distribution, accessed May 6, 2025, https://steelindustry.news/how-ai-and-robotics-are-reshaping-steel-manufacturing-and-distribution/
[^100]. The Future of Steel Pipe Manufacturing: Key Trends and Innovations for 2024, accessed May 6, 2025, https://www.fedsteel.com/insights/the-future-of-pipe-manufacturing-trends-innovations-2024/
[^101]. The Future of Steel Packaging Trends Driving Innovation and Efficiency – EOXS, accessed May 6, 2025, https://eoxs.com/new_blog/the-future-of-steel-packaging-trends-driving-innovation-and-efficiency/
[^102]. How will automation and robotics improve sturdy packaging processes in 2024?, accessed May 6, 2025, https://baywaterpackaging.com/how-will-automation-and-robotics-improve-sturdy-packaging-processes-in-2024/
[^103]. Standards | Tubing Central, accessed May 6, 2025, https://tubingcentral.com/technical/standards/
[^104]. Steel Tubing ASTM Standards, accessed May 6, 2025, https://www.tbtube.com/resources/astm-standards.html
[^105]. Paper Standards and Packaging Standards – Standards Products – Standards & Publications – Products & Services – ASTM, accessed May 6, 2025, https://www.astm.org/products-services/standards-and-publications/standards/paper-standards-and-packaging-standards.html
[^106]. Packaging Standards, accessed May 6, 2025, https://packaginginformation.com/standards/
[^107]. PM-5010J | Lockheed Martin – PACKAGING, LABELING AND SHIPPING GUIDELINES, accessed May 6, 2025, https://www.lockheedmartin.com/content/dam/lockheed-martin/aero/documents/scm/Traffic/Shipping-Instructions/PM-5010J.pdf
[^108]. PACKAGING, LABELING AND SHIPPING GUIDELINES – Lockheed Martin, accessed May 6, 2025, https://www.lockheedmartin.com/content/dam/lockheed-martin/aero/documents/scm/Traffic/Shipping-Instructions/PM-5010N.pdf
[^109] ASTM D3892-15(2020) – iTeh Standards, accessed May 6, 2025, https://cdn.standards.iteh.ai/samples/106703/3cce082a280a4803bb36778e1a3eeb0b/ASTM-D3892-15-2020-.pdf