A36 Grating Manufacturer | Galvanized Metal Floor Grate
ASTM A36 Grating or 235JR Hot dip galvanized metal floor gratings are typically made from high – quality carbon steel or stainless steel.
Carbon steel offers good strength and toughness at a relatively low cost, while stainless steel provides enhanced corrosion resistance and oxidation resistance, making it suitable for environments with high corrosion requirements.
Materials and manufacturing of Steel Grating
Raw materials: Usually high-quality carbon steel or stainless steel is used as the basic material. Carbon steel has good strength and toughness and is relatively low cost;
Stainless steel has higher corrosion resistance and oxidation resistance, and is suitable for environments that require extremely high corrosion resistance.
Manufacturing process: First, low carbon steel flat steel and twisted square steel are arranged horizontally and vertically at a certain distance, and then welded on a high-voltage resistance welding machine to form the original plate.
Then, through a series of processes such as cutting, incision, hole opening, and hemming, the original board is processed into a finished product that meets the customer’s requirements.
Surface treatment: Hot-dip galvanizing is the key surface treatment process. Dip the processed metal floor grating into the molten zinc liquid to form a uniform and strong zinc layer on its surface.
This zinc layer can not only effectively prevent the steel from being corroded and oxidized by air, water and microorganisms, but also enhance the wear resistance and impact resistance of the grille.
Specifications and Standards
Specification Parameters
Common specification parameters include the center – to – center distance of flat bars, the center – to – center distance of cross – bars, the size of flat bars, and the size of cross – bars. The center – to – center distance of flat bars usually has series such as 30mm, 40mm, 60mm; the center – to – center distance of cross – bars has series such as 100mm, 50mm. Common flat bar specifications are 20×5, 25×5, 32×5, etc., and common cross – bar specifications are 5×5, 6×6, 8×8mm, etc.
Relevant Standards
During the manufacturing process, a series of international and domestic standards need to be followed, such as ASTM A123/A123M, AS 1650, BS 729, GB 2518, etc., to ensure the quality and performance of the product.
Standard mild steel grating panels 6 m × 1 m
- Dimensions: 6 m × 1 m panels.
- Pitch size: 30 mm × 50 mm.
- Load bearing bars: 30 mm ×3 mm.
- Cross bars: 15 mm × 3 mm.
- Coating: 85 micron hot deep galvanized.
- With fixing clamps all types.
Application Areas of Steel Grating
Industrial Field
Steel grating is widely used in floors, work platforms, stair treads, and safety railings in factories, warehouses, mines, etc. It can withstand heavy loads and harsh working environments, ensuring production safety and efficiency.
Municipal Engineering
Steel grating is commonly used in rainwater well covers, drainage ditch covers, tree grates, etc. in urban drainage systems. Its corrosion resistance and drainage performance contribute to the normal operation of urban infrastructure.
Transportation Field
In transportation facilities such as bridges, tunnels, subway stations, highways, and railways, it can be used for road paving, drainage systems, and the ground materials of overpasses and corridors. It improves the safety of pedestrians and vehicles and facilitates drainage, reducing the impact of waterlogging on traffic.
Construction Field
Grating can be used as decorative materials for stairs, balconies, and facades in modern buildings, and also for interior decoration partitions, ceilings, and floor slabs, adding aesthetics and functionality to buildings.
Petrochemical and Power Plants
Due to its high strength and corrosion resistance, it is widely used in platforms, walkways, and trestles in petrochemical enterprises and power plants, meeting the high requirements of these industries for equipment and facilities.
