1. Pressure welding
Grille
Flat steel: The material is Q235A or stainless steel, there are ordinary plane type, non-slip tooth type and section I type. Common specifications are 20*5, 25*5, 25*3, 32*5, 32*5, 40*5, 40*3, 50*5, 65*5, 75*6, 100*8, 100*10 Wait.
2. Pressure welding
Grille
Crossbar: Round steel, twisted square steel, square steel or hexagonal steel made of Q235A or 304 stainless steel. Twisted square steel is made by drawing and twisting the coil through a square die. Its common specifications are 5*5, 6*6, 8*8mm, etc.
Steel Grating
It is steel bar according to a certain distance and cross arranged and welded into the middle of a square latice with an iron and steel products .
bearing bar 25/3mm , 25mm/4mm , 25mm/5mm , 30/3mm , 30/5mm,32/3mm,32/5mm ,40/3mm75/5mm,100/10mm
opening 30mm x 32mm , 30mm x 60mm, 30mm x 100mm , 38mm x 100mm , 40mm x 100mm , 50mm x 50mm ,50mm x 100mm etc
surface treatment black , hot dip galvanized
type plain bar, serrated bar , I shape bar
Hot dip galvanized steel grating tolerance
The allowed deviation of length is +0/-5mm, while the allowed deviation of width is +/-5 mm. The non-perpendicularity of bearing bar is allowed no more than 10% of width of bearing bar. Cross bar surface should not surpass bearing bar surface 1mm, beginning & end of cross bar should not surpass the end surfaces of two sides of grating 2mm.
Features
Corrosion resistance, Rust resistance.
Anti-slip resistance, Good air circulation.
Good drainage performance, Easy to install and uninstall.
High strength-to-weight performance,Durable and long lifespan.
Applications
Steel grating is widely used for work platforms. Catwalks, transportation
servicing areas and vehicle steps.
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