TypeGradeChemical composition,%≤Yield strengthTensile strengthTensile rateCSiMnPSTiReL/MpaRm/MpaA80mm/%Cold formingDX51D+Z0.120.500.600.1000.0450.30270~500≥22DX52D+Z0.120.500.600.1000.0450.30140~300270~420≥26DX53D+Z0.120.500.600.1000.0450.30140~260270~380≥30Surface treatmentMarkChromiumCPhosphorPNothingMOilONon-OilXSpangleZero,Small,BigExport PackagedRegular TypeSteel coil has three layers of packing.Kraft paper is in inside.Water plastic film is in the middle.Galvanized steel sheet is covered outside.All of three are tied by steel strips with lock.And there'll be inner tube to support the coil.Inner tube material can be iron or thick paper.Wood pallet can be chosen.Packaged Two:Vertical TypePut the coil in vertical,take a pallet on the bottom and take a cover on the top.Then tie them by steel strip and lock.That's the vertical packaged.Packaged Three:Plate TypeSteel sheet packaged is same with coil packaged.There're kraft paper,water plastic film,galvanized steel sheet,steel strip and lock.Wood pallet will be on the bottom.