commodity :flat bar material:SS400,ST-37-2,ASTM A 36,S235JR,Q235, ... :2mm-20mm width :20mm-800mm length:6m,9m,12 commodity :flat barmaterial:SS400,ST-37-2,ASTM A 36,S235JR,Q235 ... :20mm-800mmlength:6m,9m,12the details as below: specification of flat barsizewidth(mm)tolerancethickness(mm)tolerance12(vertical cut)12±0.5 ... .5130130126200.3-0.5140140126200.3-0.5150150126200.3-0.5 hot rolled steel flat