1: Material: Q235, Q345, ASTM A36, ST37-2, S235JR, S275JR, S355JR, ST57-3
2: Size: 4.5-630mm for thickness
1: Material: Q235, Q345, ASTM A36, ST37,2, S235JR, S275JR, S355JR, ST57,32: Size: 4.5-630mm for thickness3:usage: widely used for steel structure building project machinery,...