China Wholesale Cantilever Pallet Racking Manufacturers & Exporters

Roll-formed cantilever systems are manufactured from sheet coil steel cold-formed into specialized C-channels or Omega profiles, typically using Q235B steel. They provide cost-effective storage for light-to-medium loads (up to 1,000 kg per arm) such as plastic pipes, light lumber, and furniture components. In contrast, structural cantilever racks are fabricated from hot-rolled wide-flange H-beams (Q355B or ASTM A572 Grade 50). These handle extreme concentrated loads (1,500 to 3,500+ kg per arm) with high resistance to impact damage from heavy forklifts, side-loaders, and heavy industrial operations.

Under FEM 10.2.02, EN 15512, and ANSI MH16.1 specifications, cantilever arm design requires that vertical tip deflection under full uniform design load (UDL) must not exceed $δ \le L/200$ (where $L$ is the clear arm length). For automated storage or crane handling, tighter tolerances ($δ \le L/300$) are maintained. Columns and arm connectors are calculated using finite element methods (FEA) with structural load safety factors between 1.50 and 1.65 against material yield stress, ensuring stability during loading dynamics.

Cantilever racks can be adapted for pallets, machinery, and non-standard cargo crates by installing continuous wire mesh decking, heavy steel grating, or drop-in longitudinal saddle supports across the arms. This creates a continuous storage shelf without intermediate column posts, accommodating standard pallets alongside extra-wide or variable-length bundles.

Every component goes through a 9-tank automated pre-treatment line, including hot alkaline degreasing, acid pickling, rinsing, and zinc phosphating. We then apply an electrostatic powder coat with TGIC-free polyester thermosetting resin, cured at 180°C–200°C to achieve a 70–110 micron film thickness with 500+ hours of salt-spray resistance (ASTM B117). For outdoor yards, coastal zones, or cold stores, components can be hot-dip galvanized in accordance with ISO 1461, providing 65–85 microns of zinc protection for an outdoor design life exceeding 25 years.

To generate a free CAD layout, 3D structural rendering, and engineering quote within 24 hours, our design office needs:

1. Building dimensions: Length, width, and clear ceiling height beneath trusses, plus column grid coordinates and overhead obstruction maps.
2. Stored cargo specifications: Minimum/maximum length, depth, height, weight per bundle/pallet, and center of gravity profiles.
3. Handling equipment: Forklift model, minimum aisle turning radius (AST), and maximum mast lift elevation.
4. Operational conditions: Working temperature range, seismic acceleration coefficient, and soil/concrete slab thickness and slab reinforcement.

All cantilever columns, bases, arms, and pallet uprights use modular boltless or knock-down flanged configurations. Columns and bracing packs are banded using heavy-duty poly-woven strapping and custom steel chocks. Arms are nested face-to-face on specialized steel pallets, achieving up to 96% cubic packing volume inside standard 40ft High Cube containers. This cuts maritime shipping costs per metric ton and prevents transit abrasion.

Every container includes tagged and color-coded components matched to 3D assembly shop drawings and structural torque-specification charts. We provide high-definition installation videos and step-by-step assembly manuals. For complex automated shuttle systems, structural mezzanines, or high-bay clad facilities, we provide remote video engineering support or dispatch experienced bilingual installation supervisors directly to your site.

Guangzhou HEDA Shelves Co., Ltd. provides full compliance documentation, including CE Certification No. 2435-CPR-8605159, ISO 9001:2015 Quality Management Certification No. 18624Q00169R0M (valid through June 2027), EN 10204 Type 3.1 Mill Test Certificates (MTCs), dynamic torque charts for structural anchor bolts, and third-party weld testing records (UT/MT) as requested.