Galvanized packaged with the assembly line process

Galvanized packaging with assembly line process of galvanized packing belt because it is on the galvanized assembly line production, through the continuous annealing, continuous hot-dip zinc liquid, steel plate is heating and cooling in a short time, so the stamping performance than cold-rolled plate is poor. Electric galvanized pack in electroplating process is not affected by heating and cooling temperature, so the general has cold rolled the original plate the same stamping processing performance. The galvanized layer, there is no generated fragile - iron Zinc alloy layer, the ductility of the galvanized layer can be good, but because of its surface is pore, low intensity, easy to scratch, vulnerable to dry the paint pollution, etc. Galvanized pack: zinc in the dry air is not easy to change, and in the humid air, surface can generate a layer of a zinc carbonate dense alkali type membrane, it can protect the internal zinc from corrosion. The galvanized layer and iron - steel plate Zinc micro batteries. Even galvanized layer and local damage, but that doesn't show much steel substrate, the steel substrate as cathode under protection.