Galvanized steel sheetStandardJIS, GB3312,GB/T1275OilingFinishingThe sealpassivity, Oiling, The seal, Phosphate, Not handleWidth300-1250mmThickness0.12-2.0mmMaterialzinc and aluminumSubstrate typeHot-rolled steel strip,  Cold-rolled steel stripProduction processUncoiler NO.1, uncoiler NO.2- welder- entry looper- pre-treatment- annealing furnace- zinc pot- cooling tower- water quench tank- skin pass- tension leveler- passivation coater- exit looper- recoilerAdvantageProcessing low-cost, durability, reliability, strong coating toughness, comprehensive protection, saving time and effortComposition contentGradeChemical composition,%≤CSiMnPSTiDX51D+Z0.120.500.600.1000.0450.30DX52D+Z0.120.500.600.1000.0450.30DX53D+Z0.120.500.600.1000.0450.30DX54D+Z0.120.500.600.1000.0450.30DX56D+Z0.120.500.600.1000.0450.30DX57D+Z0.120.500.600.1000.0450.30Physical propertiesGradeYield strengthTensile strengthTensile rateReL/MpaRm/MpaA80mm/%DX51D+Z270~500≥22DX52D+Z140~300270~420≥26DX53D+Z140~260270~380≥30DX54D+Z120~220260~350≥36DX56D+Z120~280260~350≥39DX57D+Z120~170260~350≥41