Hot -dip galvanizing (HDG), as referenced is the process of dipping fabricated steel into a kettle or vat of molten zinc. While the steel is in the kettle, the iron metallurgically reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to the steel ..
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In the hot -dip galvanizing process, steel is completely coated with corrosion-inhibiting zinc, which forms a highly abrasion-resistant metallurgical bond with the base steel . In order to ensure that all interior and exterior surfaces are protected from corrosion, entire steel fabrications are pre galvanized welded pipe is the largest manufacturing and sales enterprise for galvanized steel pipe ,seamless steel pipe and fittings in the north of Shandong Province.Our factory supply galvanized steel pipe,stainless steel pipe,carbon steel pipe, alloy steel