... meter certification:ISO9001:2008 plate thickness:3-10mm width:0.5-2.5m Q235 steel grating platform hot sale Material: Mild (low ... Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc 4Material GradeASTM A36, A1011, A569, ... , Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self color, hot dip galvanized, painted, spray coating 6Grating StylePlain / Smooth, Serrated /teeth ...