Offer:ASTM A131 AH40,ASTM A131 DH40,ASTM A131 EH40,ASTM A131 FH40,Shipbuilding Steel Sheet. Steel Name: ASTM A131 AH40,ASTM A131 DH40,ASTM A131 EH40,ASTM A131 FH40,ASTM A131 B,Marine Steel Plate. Main Application: ASTM A131 AH40,ASTM A131 DH40,ASTM A131 EH40,ASTM FH40 steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project. Steel Standard: ASTM A131, Rolling Size: Thickness*Width*Length 3-200mm*1220-4200mm*5000-18000mm