Bar steel grating is manufactured from carbon steel, stainless steel, or aluminum bearing bars welded or pressure-locked with cross bars. It is classified into welded grating, pressure-locked grating, and riveted grating. Bar steel grating is widely used for industrial platforms, walkways, stair treads, trench covers, and drainage systems due to its high load capacity, slip resistance, ventilation performance, and ease of installation. It is commonly applied in factories, power plants, ports, petrochemical facilities, and infrastructure projects.

Specifications

• Materials: Carbon steel Q235 / ASTM A36, stainless steel 304/316, aluminum alloy.
• Bearing Bar Thickness: 3–8 mm, common 3 mm, 4 mm, 5 mm, 6 mm.
• Bearing Bar Height: 20–100 mm, typical 25 mm, 30 mm, 40 mm, 50 mm, 60 mm.
• Bearing Bar Spacing: 20–60 mm center-to-center, common 30 mm, 40 mm.
• Cross Bar Diameter: 5–10 mm depending on grating type.
• Panel Width: 600–1,000 mm standard widths.
• Panel Length: 1,000–6,000 mm standard lengths.
• Load Rating: Light to heavy duty, approximately 1–10 tons.
• Open Area Percentage: Approximately 60–85% open area.
• Surface Treatment Thickness: 60–100 µm galvanized coating.
• Panel Weight: 15–75 kg per panel.
• Manufacturing Tolerance: Length and width tolerance ±2–3 mm.
• Service Temperature Range: –40 °C to +400 °C.
• Applications: Industrial platforms, walkways, stair treads, trench covers, drainage, plants, ports, infrastructure.