Offer:DNV A420,DNV A460,DNV A500,DNV A550,DNV A620,DNV A690 Steel sheet,Shipbuilding Steel Plate Steel Grade: DNV A420,DNV A460,DNV A500,DNV A550,DNV A620,DNV A690,Marine Steel Plate Main Applications: DNV A420,DNV A460,DNV A500,DNV A550,DNV A620,DNV A690 Steel Plate is widely used to Ship Project and Ocean Offshore Structural Project. Steel Standard: DNV Rules or BV,RINA,GL,KR,NK,EN10225,ASTM A131. Rolling Size : Thickness*Width*Length 3-200mm*1220-4200mm*5000-18000mm