... is made of low carbon steel plate,stainless steel plate,flat steel plate,etc Technique:steel grating is made by ... hot dip galvanized, painted, spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar 7StandardUSA: ANSI/NAAMM(MBG531-88 ... (4)durable in use Application:steel grating is mainly used for industrial platform, ladders, helps column, channel pedal, railway, high ...