Hot galvanized sheet after a galvanized coating stage in a continuous galvanizing line, will get a further recycled reheating, and make carbon steel band iron into the zinc layer to form a zinc-iron alloy.
Compared with galvanized surface features crystal flower, the diffusion annealing galvanized sheet surface was dark gray, the welding ability is easier than traditional galvanized products, and more smooth, these features make this material is widely used in the automotive industry.
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