... steel flat bar gratingProduct infoa. Material: Q235B, A36, SS400, S235JR, SS304, SS316, SS304L, SS316Lb. Dimension: Thickness: 3mm-10mmc. Flat bar pitch ... , 100mme. Length: Regular as 3m per piecef. Material: A36 or equivalent material, SS304, SS316g. Advantage: light weight, heavy load capacity, easy installationh ...