Explore our factory-direct industrial shelving and selective racking systems. From hand-loaded modular box shelves to hybrid heavy pallet storage racks, each unit is manufactured to exacting ISO 9001:2015 and CE structural benchmarks.
Combines cold-formed teardrop vertical frames with snap-in box beams. Engineered for seamless manual piece picking or palletized SKU staging with no bolt maintenance.
Industrial 5-layer heavy duty structural upright system treated with electro-phosphate anti-corrosion barrier coatings for humid cross-dock environments and raw material depots.
Factory direct modular selective racking with 50mm and 75mm beam adjustment pitches. Provides 100% direct access to every SKU for fast-paced FMCG distribution and 3PL hubs.
Intelligent cantilever and cartridge dynamic racking integrated with automated handling gantry robots. Eliminates material surface abrasions and optimizes vertical footprint by 400%.
Specialized anti-microbial epoxy powder finish racking tailored for pharmaceutical, healthcare, and sterile supply storage. Fully compatible with wire mesh dividers and drop-in drop pins.
Engineered P-type stepped cross-beams designed specifically to seat steel panels flush with the frame top. Prevents corner catch hazards and provides rigid lateral beam stability.
Semi-automated deep lane shuttle racking maximizing cubic volume utilization up to 85%. Powered by independent motorized shuttles controlled via Wi-Fi industrial tablets.
Vertical narrow aisle (VNA) system reaching up to 15 meters clear height. Reduces aisle widths to 1.6 meters, maximizing structural floor capacity for high-throughput fulfillment centers.
Medium duty shelving systems represent the critical operational nexus between lightweight carton shelving and heavy industrial pallet racks. Engineered to accommodate uniform distributed loads (UDL) ranging from 200 kg to 800 kg per tier, this engineering guide evaluates material specifications, roll-forming tolerances, and safety factors governed by FEM 10.2.02 and ANSI MH28.2 standards.
The structural integrity of industrial shelving relies heavily on cold-formed carbon steel chemistry. While commercial lightweight units utilize standard commercial cold-rolled steel (SPCC) with nominal tensile guarantees, HEDA Shelves utilizes prime Q235B structural carbon steel (equivalent to ASTM A36 / European S235JR). Q235B steel exhibits a certified yield strength (σs) of ≥235 MPa and ultimate tensile strength (σb) of 375–500 MPa, with an elongation factor exceeding 26%. This ensures substantial plastic deformation capability prior to catastrophic yield failure under extreme seismic loads or accidental overloading.
Medium duty upright columns are cold roll-formed through 12 to 16 successive forming roll stations into open omega (Ω) or multi-flanged channel profiles (standard cross-sections: 55×47mm, 60×50mm, and 75×60mm with wall thicknesses between 1.5mm and 2.0mm). CNC automated punch lines produce high-repeatability hole pitches (50mm or 75mm increments). Depending on global market preferences, HEDA provides butterfly (European standard), teardrop (American standard), or trapezoidal keyhole perforations. The taper on keyhole and butterfly joints provides a self-wedging gravitational lock: as operational weight is placed on the shelf level, the beam connector claws bind tighter into the vertical column slots, eliminating lateral sway and joint fatigue.
| Profile Component | Structural Material | Standard Dimensions | Material Thickness | Load Capacity (UDL) | Applicable Standards |
|---|---|---|---|---|---|
| Medium Duty Upright | Q235B Cold-Rolled Steel | 55×47mm / 60×50mm | 1.5mm - 1.8mm | Up to 4,500 kg / Bay | EN 15512 / ISO 9001 |
| P-Type Step Beam | Structural Carbon Steel | 50×30mm / 60×40mm | 1.5mm - 2.0mm | 200 - 500 kg / Level | FEM 10.2.02 / CE |
| Closed Box Beam | Twin C-Profile Welded | 80×50mm / 100×50mm | 1.5mm - 2.5mm | 500 - 1,200 kg / Level | ANSI MH28.2 / RMI |
| Steel Shelf Decking | Cold-Rolled Sheet + Ribs | Custom Depth × Width | 0.6mm - 1.2mm | 200 - 600 kg / Shelf | AS 4084 / RoHS |
| Drop-in Wire Mesh Deck | Drawn Steel Wire Q195 | 50×50mm / 50×100mm | 4.0mm - 5.0mm Wire | 300 - 800 kg / Level | NFPA Fire Safety Code |
A crucial factor in custom OEM shelving engineering is matching beam geometry to the chosen decking material:
1. P-Type Beams (Stepped Beams): Feature a continuous 15–20mm horizontal recessed step along the upper inner edge. Cold-rolled steel deck plates drop flush into this step, presenting a smooth, snag-free surface. This eliminates exposed metal lips that could snag operator gloves, cardboard totes, or delicate goods during rapid hand picking.
2. Box Beams (Twin Interlocking Welded Channels): Fabricated by seam-welding two opposing cold-rolled C-channels. Box beams yield exceptionally high torsion and lateral resistance, making them ideal when wire mesh decks or open pallet loads rest across the top surface.
3. Tube Beams: Utilized primarily for economic, medium-span applications where automated picking or specialized hanging rail garment accessories are required.
Global supply chain leaders face escalating square-meter warehousing costs, labor shortages, and rising throughput requirements. Here is how modern OEM medium duty shelving procurement is evolving to address modern operational challenges.
Soaring real estate costs are driving the adoption of high-cube, multi-tier shelving systems. Logistics managers convert 8-to-12-meter clear ceiling heights into 3-tier manual picking catwalks. Medium duty uprights serve dual duty: carrying tier loads while structurally supporting mezzanine floors, staircases, and conveyor tie-ins, effectively tripling picking space without altering the facility footprint.
Leading retailers and 3PL integrators are bypassing trading intermediaries to partner directly with source Chinese manufacturing facilities. By collaborating straight with in-house roll-forming mills, procurement teams achieve 20% to 35% material savings, secure bespoke custom frame depths, access verified mill test certificates, and optimize shipping container space via knock-down bundling.
Global ESG compliance requires suppliers to deliver transparent product carbon footprints (PCF). High-capacity manufacturers are shifting to closed-loop chemical pretreatment, eliminating heavy metal wastewater, and adopting low-cure triglycidyl isocyanurate-free (TGIC-free) thermosetting polyester powders. These finishes achieve ASTM cross-hatch 5B adhesion without volatile organic compound (VOC) emissions.
Modern shelving beams now incorporate integrated front-facing cable raceways and recessed magnetic/clip-on tracks. These channels support Pick-to-Light (PTL) sensor bars, dynamic LED pick-guides, and optical SKU weight sensors, turning static medium duty shelves into interactive intralogistics nodes ready for automated warehouse management system (WMS) routing.
Autonomous Mobile Robots (AMRs) require precise physical clearances. Standard racking tolerances are tightening from ±3.0mm to under ±0.8mm. Modern medium duty layouts integrate wider bottom base distribution plates, recessed column anchor bolts, and impact-deflecting polymer floor guards to prevent AGV navigation drift and contact damage during operations.
Global property insurance underwriters (such as FM Global and NFPA 13 rules) are increasingly restricting solid timber and solid steel shelving spans over 2.4 meters high. Sourcing trends prioritize electro-galvanized drop-in wire mesh decks with open waterfall flanges, ensuring unhindered overhead fire sprinkler water penetration down to the lower tier bays.
With over two decades of technical evolution since our establishment in 2001, Guangzhou Heda Shelves Co., Ltd. operates as a true tier-one original equipment manufacturer. We deliver comprehensive structural solutions backed by verified international certifications.
Founded in 2001, our production experience spans more than a quarter century of structural rack engineering. Our team has completed over 10,000 warehouse projects across 120+ countries, giving us the practical engineering depth needed to navigate complex site constraints.
Our centralized manufacturing plant in Guangzhou spans 30,000 square meters. Equipped with 8 automated cold-roll forming lines, high-precision robotic welding arms, and twin automated powder coating tunnels, we maintain a monthly processing output exceeding 30,000 metric tons.
Our engineering division includes more than 30 structural specialists. Simply submit your architectural layout, clear ceiling heights, and load requirements, and we will deliver comprehensive 2D CAD floor plans, 3D spatial renders, and structural calculations within 24 hours.
We provide full private-label manufacturing for international system integrators and storage distributors. Our services include custom tooling for proprietary slotting profiles, brand logo stamping on upright columns, bespoke packaging, and precise RAL color matching.
Structural durability begins at the molecular level. Unlike budget fabricators who spray directly over mill scale, every HEDA component undergoes a complete 10-stage physical and chemical finishing sequence.
Every hot/cold-rolled steel coil is verified for chemical composition and tensile yield strength before uncoiling.
High-speed CNC slitting and shearing lines trim coil stock to precise profile blanks with minimal edge burr.
Hydraulic multi-die punch presses punch butterfly, teardrop, or keyhole slot patterns at precise 50/75mm intervals.
Progressive 16-roller cold-roll forming lines roll flat steel strips into complex, multi-flanged upright and beam profiles.
Specialized profile mills form P-type stepped beams and box beams with precise cross-sectional tolerances.
Mechanical rotary grinders smooth all laser edges, punched holes, and sheared corners to protect hands during installation.
Multi-axis robotic arms execute CO2/Argon shielded fillet welds on beam end connectors with consistent penetration depth.
Components undergo an 8-tank immersion bath to dissolve oxidation scale and deposit a zinc-phosphate micro-crystalline barrier.
Automated spray guns apply 60–90µm of electrostatic epoxy-polyester powder, followed by curing in a 200°C convection tunnel.
Inspectors audit film thickness and dimensional tolerances before bundling components for export shipping.
For corporate purchasing departments and logistics consultants, technical compliance must be supported by verifiable documentation. Our manufacturing facility maintains active registrations with recognized international auditing bodies.
Every production batch is cross-referenced with mill material test reports (MTR) according to EN 10204 3.1, confirming carbon equivalents, yield points, and charpy impact energy values.
Essential technical, structural, and logistics insights for warehouse directors, supply chain managers, and procurement leads sourcing commercial storage solutions.
The fundamental distinction lies in loading methodology and safe working loads (SWL). Medium duty shelving is engineered for manual piece-picking, carton placement, and tote storage, with uniform distributed loads (UDL) typically rated from 200 kg to 800 kg per level. Upright columns generally utilize 55×47mm or 60×50mm profiles. Heavy duty pallet racking is designed for mechanical handling equipment (forklifts, reach trucks) with load capacities exceeding 1,000 kg to 4,000 kg per pallet pair, utilizing heavier omega profiles (80×60mm up to 120×95mm) anchored into floor slabs with expansion wedge anchors.
Our engineering calculations adhere to FEM 10.2.02 (European Racking Federation) and ANSI MH28.2 standards. Structural deflection of any horizontal beam or panel level under maximum rated UDL is held within Deflection ≤ L / 200, where L is the clear span length between upright columns. The structural yield safety coefficient applied across all load-bearing frames is typically 1.5 to 1.65 against the material's certified yield point, guaranteeing that transient dynamic placement forces do not produce permanent plastic deformation.
As a direct manufacturer, HEDA provides complete OEM flexibility. We roll-form uprights with butterfly, teardrop, hex, or keyhole slots on 50mm, 75mm, or 76.2mm (3-inch) pitches. Cross beams can be rolled as stepped P-beams, closed box-beams, or open C-channels. Surface finishes include custom RAL epoxy-polyester powder formulations (smooth, semi-gloss, or textured anti-slip), antimicrobial coatings for medical facilities, and hot-dip galvanizing (HDG) for outdoor applications or sub-zero cold storage facilities.
Standard mill steel arrives with residual lubricants, shop soils, and oxidation mill scales. If powder coating is applied directly over untreated steel, atmospheric moisture will penetrate micro-pores in the finish, causing subsurface corrosion and paint peeling within 12 to 18 months. HEDA's automated 8-stage immersion process employs chemical acid pickling to strip oxidation scale, followed by a zinc-phosphate immersion that deposits an inorganic conversion layer. This layer creates a micro-etched anchor profile that provides over 500 hours of ASTM B117 salt spray resistance.
Ocean transport exposes freight to container condensation and multi-axis movement. HEDA utilizes knock-down (KD) packaging protocols: upright frames can ship pre-assembled or disassembled as raw uprights and diagonal bracings to maximize shipping container utilization. Components are bundled into custom timber cradles, separated by corrugated corner buffers, wrapped in 50µm polyethylene stretch film, and secured with tensioned high-tensile PET strapping. This approach prevents finish abrasion while facilitating rapid unloading via forklift fork extensions.
Yes. Our medium duty upright sections are engineered to serve as vertical support columns for multi-tier catwalk and mezzanine installations up to 3 tiers high. By reinforcing bottom upright column steel thicknesses (using 1.8mm or 2.0mm Q235B) and installing heavy-duty base plates anchored into the concrete slab, we integrate structural steel deck beams, perforated galvanized catwalk walkways, safety kick-plates, staircases, and handrails directly into the shelving grid.
To deliver an optimized CAD layout and price quotation within 24 hours, our design team requires: (1) Facility architectural floor plan (DWG or dimensional PDF) identifying building columns, egress doors, dock positions, and clear height under joists; (2) Unit load specifications including stored item dimensions (Length × Width × Height), gross package weights, and shelf level count; (3) Operational picking workflows (manual picking, hand-pushed cart, pallet jack, or AMR navigation paths); and (4) Destination port for shipping freight calculations.
We provide full commercial export clearance documentation tailored to your destination customs authority. Standard documentation sets include: Clean on Board Ocean Bills of Lading, detailed commercial invoices, itemized packing lists with weights and cubic volumes per bundle, Mill Test Certificates (EN 10204 3.1), Certificates of Origin (Form E for ASEAN, Form A, or RCEP declarations), CE Declarations of Conformity, and independent third-party inspection certifications (SGS, TÜV, or BV) upon request.
Partner directly with one of China's premier industrial storage manufacturers. Whether you require standard boltless medium-duty shelves, multi-tier picking mezzanines, or a custom OEM roll-formed system, our engineering division delivers tailored proposals within 24 hours.
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