Steel Sheet & PlateChina ASTM A852/A852m-03 for Quenched and Tempered Low-Alloy Structural Steel Plate/Sheet with 70 Ksi [485MPa] Minimum Yield Strength to 4 in. [100 mm]Thick, Find details about China ASTM A852/A852m-03, Rolled Floor Plate from ASTM A852/A852m-03 for Quenched and Tempered Low-Alloy Structural Steel Plate/Sheet with 70 Ksi [485MPa] Minimum Yield Strength to 4 in. [100 mm]Thick