Heavy duty pressure welded heavy-duty steel grating

Material: Mild Steel (Q235)
Surface Treatment: Hot Dip Galvanized / Painted / Bare
Shipping Method: Logistics
Product Category: Heavy Duty Steel Grating, Industrial Grating
Appearance: Pressure-welded construction, extra-thick bearing bars, flat or serrated surface, silver or customized finish
Price: $30.00-$80.00/m², the price of heavy duty steel grating is not fixed and is influenced by bar size, thickness, panel dimensions and order quantity. For more details, please consult us.

Heavy duty pressure welded steel grating is manufactured using thicker and taller bearing bars compared to standard grating, designed specifically for extreme load conditions. The flat bars and twisted cross bars are fused together under high pressure and heat using advanced welding technology, creating a rigid monolithic structure capable of supporting heavy machinery, vehicular traffic, and industrial loads. After fabrication, the grating can be hot dip galvanized for superior corrosion resistance.

Performance

The properties of heavy duty pressure welded steel grating are as follows:

Exceptional Load Capacity: Designed with larger bearing bars (up to 100×10mm or more) to withstand ultra-heavy loads from trucks, forklifts, and industrial equipment.

Heavy-Duty Construction: Pressure welding ensures strong, permanent joints that maintain structural integrity under continuous heavy use.

Superior Impact Resistance: Thick bars absorb and distribute impact forces effectively, preventing deformation and damage.

Excellent Corrosion Protection: Hot dip galvanized coating provides long-term rust resistance in harsh environments.

Reinforced Structure: Closer bar spacing and heavier cross bars enhance overall panel rigidity and load distribution.

Good Slip Resistance: Serrated surface option provides maximum safety for personnel in heavy industrial settings.

Minimal Maintenance: Galvanized finish eliminates frequent painting requirements, reducing downtime and maintenance costs.

Customizable Strength: Engineering support available to design grating for specific load requirements and span conditions.

Application

Heavy duty pressure welded steel grating is primarily used in the following engineering fields:

Heavy Industrial Platforms: Loading docks, equipment platforms, machine bases in steel mills, foundries, and heavy manufacturing plants.

Vehicular Access: Trench covers, pit covers, and roadways for forklifts, trucks, and heavy transport vehicles.

Mining and Quarrying: Walkways, screening platforms, and access roads in mining operations and aggregate processing.

Port and Marine: Shipyard platforms, dock loading areas, container terminal flooring, and heavy equipment access.

Power Generation: Turbine platforms, boiler access areas, coal handling facilities, and substation flooring.

Wastewater Treatment: Heavy-duty covers for large tanks, channels, and equipment access in treatment plants.

Transportation Infrastructure: Bridge walkways, subway ventilation covers, railway platforms, and airport service roads.

Offshore and Oil & Gas: Drilling platforms, rig walkways, and equipment support structures in harsh marine environments.

Specifications

The following table outlines typical specifications for heavy duty pressure welded steel grating.

Property Unit Typical Value / Range Test Method
Material Q235, Q345 Mild Steel GB/T 700, GB/T 1591
Flat Bar Size mm 50×5, 65×5, 75×6, 100×8, 100×10, 120×10, 150×12 Customized
Twisted Bar Size mm 8×8, 10×10, 12×12
Surface Type Plain (Flat), Serrated (Toothed)
Surface Treatment Hot Dip Galvanized, Paint, Epoxy Coating GB/T 13912
Zinc Coating Thickness μm ≥ 80 (standard), ≥ 100 (heavy duty) GB/T 13912, ISO 1461
Center Distance mm 30×50, 40×100, 50×50, 60×50, 100×100 Customized
Bearing Capacity kN/m² ≥ 100–1000+ (depending on design) GB/T 13912, FEM Rules
Welding Strength Full penetration weld, no cracks, no detachment
Panel Size m Up to 6×1.2m (customized available) Customized

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