Steel grating steel plate grating 255,303,403 all specifications can be required. size can be required though iso 9001 Galvanized steel grating1. type: plain, serrated ... mesh gratingMaterial specification:1,mild steel : ASTM A36,BS4306,JIS G3101 SS4002,Stainless steel SUS 304SUS316Specification of steel grating: Item No.Bearing bar pitchCross ...