... thickness:3-10mm width:0.5-2.5m galvanized steel bar grating weight hot sale and hot scheduling Material: ... A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self color, hot dip galvanized, painted ... , spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar ...