Hot dipped galvanized steel round pipes are an alloy layer that causes molten metal to react with the iron matrix, thus combining the substrate with the two coating.
Hot dipped galvanized steel round pipes are the first steel pickling, in order to remove iron, steel pipe surface after pickling, cleaning by ammonium chloride or zinc chloride solution or ammonium chloride and zinc chloride aqueous solution tank, and then into the hot dip tank.
Hot dipped galvanized steel round pipes have the advantages of uniform coating, strong adhesion, long service life and so on. The hot dip galvanized steel tube matrix and molten plating bath undergo complex physical formation, corrosion resistant structure, and tight Zn Fe alloy layer. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, it has strong corrosion resistance.
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