... application and features of steel grating:Steel grating offers the following advantages compared with steel grid sheets:Steel structural platform has light weight, good strength, ... Bar Pitch12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, ... 80, 100, 101.6, 120mm, 2'' & 4'' etc4Material GradeASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc5Surface ...