Our cold-roll formed structural racking systems are fabricated from certified structural grade Q235B and Q355B steel, rigorously engineered for logistics distribution centers, heavy industrial manufacturing plants, cold chain fulfillment hubs, and automotive warehouses.
Engineered with interlocking box beam connectors, safety locking pins, and 50mm pitch adjustable uprights for multi-tier fulfillment and distribution depots.
Rapid assembly rivet interlocking design featuring high-density composite steel/MDF decks, providing heavy duty manual picking durability.
High-bay selective racking compatible with reach trucks and turret cranes. Delivers 100% pallet accessibility for high-throughput SKU turnover.
Industrial blue and orange safety dual-color finish with hot-rolled footplates, anchor bolts, and side portal bracing to double volumetric space utilization.
Ultra-low temperature structural steel engineered with cold-resistant thermal properties, integrated with automated stacker cranes, WMS, and FIFO flow rails.
Carbon steel multi-level storage platform. Heavy duty anti-corrosion phosphating finish, ideal for chemical warehouses, manufacturing tool cribs, and parts storage.
Versatile perforated slotted angle design allowing modular multi-tier configurations, corner reinforcement plates, and economical parts shelving.
Customizable selective light-duty steel storage system featuring butterfly punch uprights, drop-in step beams, and smooth surface electrostatic finish.
Selecting industrial warehouse storage racking is a critical structural engineering decision directly impacting facility life safety, operational velocity, insurance compliance, and operational capital expenditure. Industrial pallet racks do not function merely as commercial furniture; they are unbraced or semi-braced slender cold-formed steel skeletal frames subject to complex dynamic live loads, asymmetric floor loads, dead loads, forklift impact shears, and seismic acceleration forces.
According to the European Standard EN 15512:2020 (Steel static storage systems - Adjustable pallet racking systems - Principles for structural design) and the American ANSI/RMI MH16.1:2021 specification, the fundamental structural element is the cold-formed open section upright frame (typically omega or multi-flanged channel profile) interacting with tubular or welded step and box beams. The interaction between beam-end connectors and upright columns creates a semi-rigid moment connection characterized by rotational stiffness ($C_{di}$) and moment resistance ($M_{rd}$).
Under maximum uniformly distributed load (UDL), allowable beam vertical deflection is governed by strict structural thresholds. For conventional selective pallet racking systems, maximum deflection is constrained to $δ ≤ L/200$ (where $L$ is clear beam span length). However, for automated systems such as Very Narrow Aisle (VNA) or automated AS/RS stacker crane runs, tolerances must comply with $δ ≤ L/300$ or even $L/400$ to prevent optical sensor occlusion, crane mast collisions, and automated shuttle extraction jams.
The performance integrity of industrial racks originates at the uncoiling stage. We fabricate cold-formed structural members using prime hot-rolled carbon steel strip coils complying with standard GB/T 700-2006 (equivalent to ASTM A36 / EN 10025-2 S235JR) and GB/T 1591-2018 Q355B (equivalent to ASTM A572 Grade 50 / EN S355JR). The yield strength ($f_y$) of Q235B is certified at ≥ 235 MPa with tensile strength between 370–500 MPa, delivering optimal elongation characteristics (≥ 26%) necessary for roll-forming complex multi-bend stiffening ribs without microscopic structural cracking.
For extreme load installations exceeding 4,000 kg per beam level or seismic zones requiring high ductility, Q355B low-alloy high-strength steel is utilized ($f_y ≥ 355 \text{ MPa}$, tensile strength 470–630 MPa). Cold-working through progressive roll-forming sets introduced strain-hardening, boosting localized corner yield strength up to 15–20% above nominal raw steel strip ratings.
The engineering table below delineates structural cross-sections, typical beam connector configurations, seismic coefficient ratings, and practical aisle allowances for warehouse planners.
| Racking Architecture | Standard Steel Grade | Upright Column Profile (mm) | Max Level Load (UDL) | Standard Deflection Limit | Typical Aisle Width ($A_{st}$) | Global Compliance Standard |
|---|---|---|---|---|---|---|
| Selective Pallet Racking | Q235B / Q355B | 80x60 / 90x70 / 100x70 | 1,000 – 4,500 kg | $L/200$ | 3,200 – 3,800 mm | EN 15512 / RMI MH16.1 |
| Drive-In / Drive-Thru Racking | Q235B High-Ductility | 90x70 / 120x95 Heavy | 1,500 kg / pallet slot | $L/250$ on cantilever rail | Forklift Chassis + 200mm | FEM 10.2.07 / CE |
| Automated AS/RS High-Bay | Q355B Structural Alloy | 120x95 / 140x100 Ribbed | 1,500 – 2,000 kg / slot | $L/300$ to $L/400$ Strict | 1,400 – 1,650 mm (Crane) | FEM 9.831 / ISO 9001 |
| Radio Shuttle High-Density | Q235B Cold Rolled | 90x70 / 100x70 Omega | 1,500 kg per pallet | $L/250$ Guide Rail | 2,800 – 3,200 mm (Transfer) | EN 15620 / CE Marked |
| Heavy Duty Cantilever Racks | Hot Rolled H-Beam / Q235B | IPE 200 to IPE 400 Column | 500 – 3,000 kg per arm | $L/150$ at arm tip | Dependent on pipe length | FEM 10.2.09 / OSHA |
| Multi-Tier Mezzanine Floors | Q235B / Q355B Deck Girder | Square Tube / Built-up I-Beam | 300 – 1,200 kg / m² | $L/250$ primary beam | Integrated Picking Stairs | IBC 2021 / EN 1993-1-3 |
Founded in 2001, Guangzhou Heda Shelves Co., Ltd. combines quarter-century engineering heritage with vertically integrated cold roll-forming manufacturing lines, delivering turnkey industrial warehouse storage solutions certified to international CE and ISO quality benchmarks.
Established in 2001, our engineering department has designed, fabricated, and exported over 10,000 warehouse projects globally, spanning complex 4-tier automotive mezzanines in Thailand, high-density cold rooms in Indonesia, and chemical storage hubs in the UAE.
Our in-house project engineers produce full 2D AutoCAD equipment layouts, accurate volumetric storage capacity reports, and realistic 3D renderings within 24 to 48 hours, eliminating spatial interference with structural columns and fire sprinkler grids.
Certified structural verification including official CE Certificate No. 2435-CPR-8605159, ISO 9001:2015 Quality Management No. 18624Q00169R0M, and RoHS non-toxic powder coating compliance, ensuring full customs clearance and building permit approval.
Strategically located in Haizhu District, Guangzhou, shipments depart from South China ports with computer-optimized container loading schemes, minimizing marine freight costs per pallet location and reducing transit times across ASEAN, Middle Eastern, and Western hubs.
From uncoiling cold strip steel to automated computer-guided punching and automated TGIC-free powder coating, our 10-tier production chain maintains dimensional tolerances within ±0.5mm across every upright profile and beam weldment.
Spectrometric & yield analysis on high-grade Q235B/Q355B coil stock.
High-speed CNC slitting lines slice coils into precise strip widths.
Continuous automated stamping of teardrop, diamond, or butterfly pitches.
24-stage roll-forming mills shape stiffened omega column flanges.
Cold roll seam forming of continuous step beams and closed box beams.
Deburring cut edges and shot blasting surface scale prior to coating.
Automated CO2 gas shielded arc welding of beam connector end claws.
Multi-tank pickling, degreasing, and zinc phosphating for rust prevention.
Automated spray tunnel baking polyester resin at 200°C (60-90μm film).
Destructive test verification, pallet packing, and export container stowage.
Global supply chain disruption, rising warehouse square-meter rental costs, and aggressive net-zero decarbonization mandates are radically reshaping industrial racking specifications across international fulfillment hubs.
Traditional static selective pallet racking is undergoing widespread re-engineering to interface with autonomous logistics machinery. Modern racking columns are fitted with laser-reflective positioning targets, magnetic floor guidance tracks, and reinforced lower column impact deflectors capable of withstanding dynamic 15 kJ lateral impacts.
The expansion of rapid-delivery grocery networks, biopharmaceuticals, and frozen food logistics has triggered unprecedented demand for high-density, automated high-bay cold storage (-25°C to -30°C). Because chilled cubic volume carries steep refrigeration power costs, conventional aisles are obsolete in modern cold rooms.
Multi-national 3PL enterprises and institutional logistics REITs now enforce strict Scope 3 greenhouse gas auditing. Procurement departments demand low-embodied-carbon steel coils, recycled scrap feedstocks, and non-toxic powder coating chemistries.
Definitive engineering guidance for warehouse operations managers, procurement officers, and civil engineering consultants.
Collaborate directly with Guangzhou Heda Shelves' senior logistics engineering team. Submit your warehouse floor plan to receive a comprehensive technical storage audit, structural load calculations, and custom 2D/3D CAD layouts within 24 to 48 hours.