Steel Grating Material: Carbon steel or stainless steel Surface:Galvanized &Painted Uses: Walkway and floor, stair treads etc Steel GratingMaterial: Carbon steel or stainless steelSurface:Galvanized &PaintedUses: Walkway and floor, stair treads etc .Specification 1) Bearing bar specification 20*3 to 100*6 2) Bearing bar pitch:15,25,30,40,60mm etc. 3)Cross bar pitch:50,100mm,etc.. 4)The Maximun ...