... :60-220g/m2 3thickness:0.17-4.0mm 1219 wide galvanized steel coil 1). Standards: GB/T2518, JIS G 3302, DIN ... , zero spangle, regular spangle.,small spangle,Big spangle. 4). Quality: No Joint, No Bends, no spots, no roller marks ... as the customers' requirement Surface Treatment of Hot-dipped Galvanized Steel coil : Surface TreatmentFeaturesChemical passivating treatmentminimize the chance of white rust ...