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China ERW Welded Pipe Manufacturer Landee supplies ASTM A312 TP 316L Welded Stainless Steel Pipe, SCH.20, Electric Resistance Welded (ERW) with plain ends.
ASTM A312 TP316L ERW, Weld Stainless Steel Pipe 16 inch is the molten metal and iron-base alloy layer produced by the reaction, so that the substrate and coating combination of both. Hot dip galvanized steel is first pickled, the steel surface in order to remove iron oxide, after pickling, cleaning by a mixed aqueous solution of ammonium chloride bath or an aqueous solution of zinc chloride or ammonium chloride and zinc chloride, and then into hot dip tank. Has galvanized coating uniformity, strong adhesion, long life and other advantages.