Hot dipped galvanized steel round pipes are the welded steel pipe with hot-dip galvanizing on it. Galvanized pipe is to make molten metal and iron matrix reaction and produce alloy layer, so that the substrate and coating two combination.
Hot dip galvanizing is 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 galvanizing has the advantages of uniform coating, strong adhesion, long service life and so on.
Hot dipped galvanized steel round pipes have a wide range of uses. It can be used as the pipeline pipe of low pressure fluid, such as water, gas, oil and so on. It is also used as oil well pipe, oil pipe and so on in the petroleum industry, especially in the offshore oil field.
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