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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