Super heavy plug-in grid board
Material: High-Strength Mild Steel (Q235 / Q345)
Surface Treatment: Hot Dip Galvanized
Shipping Method: Logistics
Product Category: Heavy Duty Steel Grating, Press-Locked Grating
Appearance: Plug-in interlocked construction, extra-heavy bearing bars, flat or serrated surface, silver galvanized finish
Price: $35.00-$90.00/m², the price of super heavy plug-in grid board is not fixed and is influenced by bar size, thickness, interlock density and order quantity. For more details, please consult us.
Material: High-Strength Mild Steel (Q235 / Q345)
Surface Treatment: Hot Dip Galvanized
Shipping Method: Logistics
Product Category: Heavy Duty Steel Grating, Press-Locked Grating
Appearance: Plug-in interlocked construction, extra-heavy bearing bars, flat or serrated surface, silver galvanized finish
Price: $35.00-$90.00/m², the price of super heavy plug-in grid board is not fixed and is influenced by bar size, thickness, interlock density and order quantity. For more details, please consult us.
Performance
The properties of super heavy plug-in grid board are as follows:
Ultra-High Load Capacity: Engineered with extra-large bearing bars (up to 150×12mm or more) to support massive static and dynamic loads from heavy machinery and vehicles.
Superior Mechanical Lock: Pressure-locked joints provide strength exceeding welded connections, with no risk of weld fatigue or breakage under continuous vibration.
Exceptional Structural Rigidity: Close bar spacing and heavy cross bars create a monolithic panel that resists deflection and twisting under extreme weight.
Maximum Corrosion Protection: Heavy-duty hot dip galvanized coating (100μm+) ensures decades of maintenance-free service in harsh environments.
Clean Aesthetic: No welding marks on surface, providing a professional appearance suitable for visible industrial and infrastructure applications.
Excellent Slip Resistance: Serrated bar options available for maximum safety in wet, oily, or icy conditions.
Vibration Damping: Interlocked construction absorbs and dissipates dynamic forces better than welded alternatives.
Custom Engineered: Each panel can be designed to meet specific load requirements, span conditions, and safety factors.
Application
Super heavy plug-in grid board is primarily used in the following extreme engineering fields:
Heavy Industrial Facilities: Machine bases, equipment platforms, furnace areas in steel mills, foundries, and heavy fabrication plants.
Mining and Minerals Processing: Crusher platforms, screening decks, conveyor walkways, and access roads in open-pit and underground mines.
Port and Container Terminals: Wharf decks, container crane platforms, heavy equipment access roads, and loading areas.
Offshore and Marine: Oil rig decks, helidecks, platform walkways, and shipyard heavy-load areas exposed to saltwater.
Heavy Vehicle Access: Bridge decks, truck weighing stations, military vehicle crossings, and airport service roads.
Power Generation: Turbine halls, coal handling facilities, hydroelectric dam walkways, and nuclear power plant access platforms.
Infrastructure Projects: Stadium loading areas, tunnel ventilation floors, subway maintenance pits, and railway heavy-equipment access.
Defense and Aerospace: Military vehicle maintenance platforms, aircraft hangar flooring, and launch pad access structures.
Specifications
The following table outlines typical specifications for super heavy plug-in grid board.
| Property | Unit | Typical Value / Range | Test Method |
|---|---|---|---|
| Material | — | Q235, Q345B, Q355B Mild Steel | GB/T 700, GB/T 1591 |
| Flat Bar Size | mm | 75×6, 100×8, 100×10, 120×10, 120×12, 150×10, 150×12 | Customized |
| Cross Bar Size | mm | 10×10, 12×12, 14×14, 16×16 square bar | — |
| Surface Type | — | Plain (Flat), Serrated (Toothed) | — |
| Surface Treatment | — | Hot Dip Galvanized (Heavy Duty) | GB/T 13912 |
| Zinc Coating Thickness | μm | ≥ 100 (standard heavy), ≥ 120 (super heavy) | GB/T 13912, ISO 1461 |
| Center Distance | mm | 20×20, 30×30, 30×50, 40×40, 50×50 | Customized |
| Bearing Capacity | kN/m² | ≥ 500–2000+ (depending on design) | GB/T 13912, FEM Rules |
| Joint Locking Strength | — | Permanent mechanical interlock, zero loosening | — |
| Maximum Panel Size | m | Up to 6×1.5m (customized available) | Customized |
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The products include steel grating, stainless steel grating series and other grating products. Years of production and sales experience, with superior quality at the same price compared to peers in the industry. Same quality at a lower price.
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Address: Yuqi Supporting Area (Qibei Road), Huishan Economic Development Zone, Wuxi City



