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High-Density Stackable Straight-Tube Rack

The Stackable Straight-Tube Rack offers a robust and space-efficient storage solution with its modular, vertical stacking design. Built from high-quality welded steel, it ensures durability and maximizes warehouse space utilization with its interlocking structure, requiring no additional fasteners.

- Direct manufacturer support with custom processing from drawings and free design services

- Compatible with pallets and supports direct forklift handling, eliminating additional containers

- Available in fixed or collapsible types for space-saving storage when not in use

- Rust-resistant and corrosion-resistant finishes (electrostatic powder coating or hot-dip galvanizing)

- Special track design for even load distribution across four upright posts
 
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Also known as stacking racks, these units are standardized, modular vertical storage solutions primarily fabricated from premium welded steel sections. Running a hand along the frame reveals the solid, heavy-gauge steel construction, designed to withstand the rigorous demands of active industrial environments. They are available in two main types: fixed and collapsible, offering distinct physical configurations to match specific facility workflows.

To combat environmental degradation, the metal surfaces are finished with meticulous processes such as electrostatic powder coating or hot-dip galvanizing. The resulting finish is not only visually uniform but provides a hardened shield that makes the units rust-resistant, corrosion-resistant, and highly durable—even when deployed in challenging microclimates like cold storage facilities or high-humidity zones.

Featuring an integrated interlocking design, they allow for multi-level stacking without the need for additional fasteners. The moment they are positioned on the floor, they are ready for immediate use upon placement. By removing the friction of complex assembly, these units serve as a common tool for high-density vertical storage, perfectly suited for warehouses, workshops, and heavy logistics hubs.


Advantages of Stack Racks

Engineered for Structural Stability

A distinct advantage of these storage units lies in their specialized architecture. A special track design ensures loads are evenly distributed across the four upright posts, preventing localized stress and maintaining absolute stability. This structural integrity makes the system exceptionally suitable for high-level stacking and the multi-layer storage of heavy loads, ensuring your facility can safely maximize vertical space without compromising on weight capacity.

Maximized Spatial Efficiency

The inherently stackable design enables vertical storage capabilities, transforming unused overhead areas into productive holding zones. When not actively holding inventory, empty racks can be nested (fixed type) or disassembled (detachable type) for space-saving storage. This extreme compression of idle footprint drastically improves floor space utilization during off-peak operational cycles.

Streamlined Inventory and Handling

Operational fluidity is a core benefit. Uniform specifications and fixed capacities ensure clear visibility of stored goods, making inventory checks easy and highly accurate. Furthermore, these units are fully compatible with pallets. In many scenarios, goods can be loaded directly onto the racks for easy forklift handling, eliminating the need for additional pallets or containers and reducing material transfer steps.

Unrestricted Facility Layout

Unlike permanent shelving installations, this solution offers unmatched flexibility in layout and mobility compared to other heavy-duty racking systems. Facility managers can reconfigure their entire floor plan in hours rather than days, adapting instantly to seasonal inventory shifts.

Note: Dimensions can be customized based on your product's weight and structural requirements; special pricing is available for bulk orders. We welcome your inquiries!

Basic Functions

Understanding the core operational capabilities of these units helps facility planners optimize their daily material handling workflows. The primary functions are detailed below:

1. Vertical Stacking Storage

Utilizing an interlocking structural design, the racks can be stacked vertically to maximize the use of vertical warehouse space and significantly increase storage capacity.

2. Organized Cargo Protection

The rigid frame structure ensures orderly cargo placement, preventing tipping, crushing, or scattering, thereby keeping goods intact during both storage and transit.

3. Convenient Handling and Transfer

Designed with forklift/pallet jack entry points at the base, the racks support four-way access, enabling integrated operations for storage, handling, and transfer without repositioning the load.

4. Flexible Layout

No permanent anchoring or complex rack assembly is required; the racks can be positioned and rearranged freely according to changing storage needs and seasonal demands.

5. Unitized Management

Standardized specifications facilitate categorized storage, making inventory counting, stocktaking, and standardized management easier and far more accurate.

6. High Reusability

The reinforced structure allows for repeated use over countless operational cycles, meeting the demands of various storage scenarios and long-term facility planning.

Stackable Straight-Tube Rack demonstrating four-way forklift access and multi-layer vertical storage capabilities

Product Advantages

Deploying this system yields measurable improvements in facility economics and daily operational metrics:

  • 1. Efficient Storage Expansion: Multi-level vertical stacking significantly improves vertical space utilization and enables high-density storage, thereby reducing facility costs and delaying the need for physical building expansions.

  • 2. Flexible and Convenient Use: No on-site installation or wall anchoring is required; the racks are ready for immediate use, easily movable, and adaptable to various site layouts.

  • 3. High Load-Bearing Capacity: Features a heavy-duty, integrated structure with excellent load-bearing performance; capable of storing heavy or high-volume goods without deformation, ensuring long-term structural reliability.

  • 4. High Durability and Longevity: Constructed from thickened steel with secure welds and anti-corrosion/anti-rust surface treatment; resistant to impact and wear, ensuring a long service life even under punishing daily use.

  • 5. Enhanced Operational Efficiency: Designed for four-way forklift entry and compatible with pallet jacks; facilitates easy storage, retrieval, and handling of goods, reducing the need for secondary handling steps and minimizing labor hours.

  • 6. Organized Management & Transport Optimization: Enables unitized storage and neat arrangement of goods, simplifying inventory checks and counts while improving warehouse management efficiency. Furthermore, the detachable and nestable characteristics drastically improve container loading rates, effectively reducing long-distance and cross-border transportation costs.

  • 7. Versatile Application: Possessing exceptional site adaptability, these units are suitable for workshops, warehouses, logistics centers, cold storage facilities, heavy manufacturing plants, and automotive parts circulation, meeting the storage needs of various industries.

Product Features

1. Self-Locking Stacking Structure

Safety is engineered directly into the contact points. The system features precision-engineered interlocking (mortise-and-tenon style) components at the top and bottom. As the upper unit is lowered, the distinct metallic click confirms the connection; units automatically lock together when stacked, preventing slipping or tipping for enhanced safety during high-reach forklift operations.

2. Standardization and Versatility

Predictability is essential for large-scale material handling. Uniform specifications allow for use with standard pallets; the system is perfectly compatible across different facilities and scenarios, facilitating standardized warehouse management and integrating smoothly with existing automated or manual workflows.

3. No Auxiliary Accessories Required

Simplicity drives reliability. These are standalone units that require no screws or upright posts for assembly. They can be used individually on the ground level or stacked multiple tiers high, offering high flexibility without the burden of tracking small hardware components.

4. Superior Protection

An enclosed or semi-enclosed frame design effectively prevents goods from falling or suffering crushing damage, ensuring product integrity. This physical barrier absorbs accidental impacts from handling equipment, keeping the valuable inventory inside completely secure.

5. Customization Options

Recognizing that every supply chain has unique physical constraints, dimensions and styles can be tailored to specific cargo sizes and load-bearing requirements. To further adapt to specialized inventory, optional accessories such as side panels or guardrails are also available upon request.

Customizable Stackable Straight-Tube Rack with mortise-and-tenon self-locking joints

Typical Applications

This rack series is widely adopted across industries that handle long, cylindrical, or coil-shaped materials requiring stable multi-tier storage:

  • Steel & Metal Industry: Storage of steel pipes, bars, rods, and profiles during production and distribution.

  • Cable & Wire Manufacturing: Organized stacking of wire coils and cable reels to prevent deformation.

  • Automotive & Machinery Parts: Storing shafts, axles, and tubular components in parts circulation centers.

  • Construction Material Yards: Rebar, scaffolding tubes, and PVC/HDPE pipe storage.

  • Cold Storage & Logistics Hubs: Corrosion-resistant coating supports high-humidity or low-temperature environments.

  • HVAC & Ductwork Suppliers: Safe, space-saving storage for long ventilation ducts and tubing.

Customization & OEM Service

We provide full drawing-based custom processing to match your specific cargo dimensions, load requirements, and warehouse layout:

  • Free structural design and load calculation support from our engineering team

  • Adjustable tube spacing, upright height, and base width per client specification

  • Optional accessories: side guardrails, end-caps, anti-slip pads, identification labels

  • Choice of surface treatment: powder coating (custom RAL colors) or hot-dip galvanizing for extra corrosion resistance

  • OEM/ODM support with client logo or brand marking available for bulk orders

Packaging & Delivery

  • Packaging: Components are disassembled and packed flat to reduce shipping volume; secured with steel strapping and edge protectors, palletized or crated per destination requirements.

  • Container Loading: The nestable/collapsible structure significantly improves container fill rate, lowering per-unit freight cost for long-distance and cross-border shipments.

  • Lead Time: Standard orders typically ship within 15–25 days after design confirmation; expedited production available for bulk repeat orders.

  • Shipping Terms: FOB, CIF, EXW, and other Incoterms supported based on customer preference.

Quality Assurance

  • Raw steel material inspected for thickness and tensile strength before fabrication

  • Welding seams checked via visual and structural inspection to ensure joint integrity

  • Load-bearing testing performed on sample units prior to mass production

  • Coating thickness and adhesion tested to guarantee long-term anti-corrosion performance

  • Factory operates under standardized quality management processes for consistent output across batches

FAQ

Q1: What is the minimum order quantity (MOQ)?
A: MOQ is flexible and can be discussed based on your rack specifications; sample orders are welcome for evaluation.

Q2: Can the rack be customized for non-standard tube lengths or diameters?
A: Yes, dimensions including tube length (up to 7.3m), diameter, and load capacity can be tailored to your specific cargo requirements — simply share your drawings or specifications.

Q3: What is the difference between fixed and collapsible types?
A: Fixed racks offer maximum rigidity for permanent heavy-load storage, while collapsible types can be disassembled for compact storage and reduced shipping volume when not in use.

Q4: How is the rack protected against rust in humid or cold storage environments?
A: All units undergo electrostatic powder coating or hot-dip galvanizing treatment, providing reliable corrosion resistance suitable for high-humidity and cold-chain conditions.

Q5: Do you provide installation guidance?
A: No complex installation is required due to the self-locking interlocking design; units are ready for use immediately upon placement, and our team can provide setup guidance upon request.

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