Offer:GL A420,GL A460,GL A500,GL A550,GL A620,GL A690,Shipbuilding steel plate, Steel Name: GL A420,GL A460,GL A500,GL A550,GL A620,GL A690,GL F420,GL E550,Marine Steel plate , Main Application: GL A420,GL A460,GL A500,GL A550,GL A620,GL A690,Ship steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project. Steel Standard: GL Rules or ABS,DNV,BV,GL,CCS,KR,NK,RINA,ASTM A131, Rolling Size: Thickness*Width*Length 3-200mm*1220-4200mm*5000-18000mm