Steel Sheet & PlateChina ASTM A36, Ss400, S235, S355, St37, Q235B, Q345b S235jr, 45mn 1020 1045 Hot Rolled Carbon Steel /Galvanized Plate Iron Metal Mild Steel Sheet, Find details about China Steel Plate, Mild Steel Sheet from ASTM A36, Ss400, S235, S355, St37, Q235B, Q345b S235jr, 45mn 1020 1045 Hot Rolled Carbon Steel /Galvanized Plate Iron Metal Mild Steel Sheet