... , Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore Platform Steel Plate: Classification Society Certificate: CCS,DNV,GL,LR,BV,ABS ... (L360), X56 (L390), X60 (L420), X65, X70Quenching and Tempering High Tensile Steel Plate: Standard: Special ConditionGrade: WH70Q, WQ590D, Q550DThe property of ... as customers' requirement. SPCC ST37 DC01 cold rolled steel plate and steel sheet