Hot-dip galvanized serrated bar grate also called riveted bar grating, is made of load-bearing flat steel and cross bars arranged in a certain interval, welded into original plates by high-voltage resistance welding machines, and then processed into finished products through cutting, notching, opening holes, hemming and other processes. The swaged steel grating is immersed in molten zinc liquid, and a dense zinc layer is formed on the surface of the steel grating through the zinc-iron alloy reaction. This process can greatly improve the corrosion resistance of the steel grating and extend its service life.
Hot Dip Galvanized t bar grating with Plain Surface
Hot Dip Galvanized Steel Grating with Serrated Surface
Steel Grating Raw Material Steel Rolls & Bars
Steel Grating Raw Material Twisted Bars
Steel Production Process
Pressed welded steel grating. The cross bar is pressed into the bearing bar by an automatic resistance welding machine.
Penetration welding grating. Pre-drill holes in the bearing bars, usually in the middle. Insert the cross bar, usually a round bar. Weld it into shape.
Press locked steel grating. The pressed locked steel grating is made of bearing bars through processes such as grooving (holes), plug-in cross flat or serrated bars pressing, welding, and finishing.
Swage locked grating. The cross bar is pre-threaded and then clamped into shape using special equipment. Usually used in the production of aluminum gratings.
Riveted steel grating. The connecting bar(cross bar) is bent and fixed with rivets in a direction parallel to the bearing bar.
Advantages of heavy duty steel bar grating
High strength and light structure
Good anti-corrosion performance
Beautiful appearance
Self-cleaning and easy maintenance
Good ventilation, lighting, and heat dissipation performance
Anti-slip and explosion-proof
Easy to install and disassemble
serrated carbon steel bar grating Application
Offshore and ship platform
Industrial flooring
Stairs
Steel mills
Warehouses
Power Plant
Trenches
Treatment plants
Airport
Walkway
Maintenance platform
Bridge deck
Chemical plant
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