... "CHEKERED STEEL COIL SHEETQ235,Q345,SS400,SM490A,SM490B,S235JR,S355JR,ASTM A36,ASTM A572 GRADE 50"THICKNESS 2.5-10MM"HOT ROLLED STEEL ... COIL & SHEETQ235,Q345,SS400,SM490A,SM490B,S235JR,S355JR,ASTM A36,ASTM A572 GRADE 50"THICKNESS 1.2-25.4MM"HOT ROLLED ... STEEL PLATEQ235,Q345,SS400,SM490A,SM490B,S235JR,S355JR,ASTM A36,ASTM A572 GRADE 42-65"THICKNESS 6-200MM"SQUARE PIPE(SQUARE ...