commodity :flat bar material:SS400,ST-37-2,ASTM A 36,S235JR,Q235,Q345 thickness :2mm-20mm width :20mm-800mm length:6m,9m,12 commodity :flat barmaterial:SS400,ST-37-2,ASTM A 36,S235JR,Q235,Q345thickness :2mm-20mm width :20mm-800mmlength:6m,9m,12the details as below: specification of flat barsizewidth(mm)tolerancethickness(mm)tolerance12(vertical cut)12±0.5-11.3-3.50.3-0.514(vertical cut)14±0.5-11. ...