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Hot Galvanized Steel Pipe Corrosion And Wear
Jul 17, 2017

Hot galvanized steel pipe is widely used in construction, machinery, coal, chemical, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.

Galvanized steel pipe surface is hot dip galvanized or galvanized layer of welded steel pipe. Galvanized steel pipe can increase the corrosion resistance, extend the service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low-pressure fluid pipeline, but also for the oil industry, Hot-dipped Galvanzied Steel Pipe especially offshore oil wells, oil pipe, chemical coking equipment, oil heater, condensation Cooler, coal waste detergent oil pipe, and the bridge piles, mine tunnel support tube and so on.

The hot-dip galvanizing pipe is a method in which a molten metal is reacted with an iron matrix to produce an alloy layer, so that both the substrate and the plating layer are combined. Hot-dip galvanizing is the first pickling of the steel pipe, in order to remove the iron oxide surface of the steel pipe, pickled, through ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed water tank cleaning, and then into Hot dip bath. Hot galvanized with uniform coating, strong adhesion, Hot-dipped Galvanzied Steel Pipe long life and other advantages. Hot-dip galvanized steel pipe matrix and molten bath complex physical and chemical reactions, the formation of corrosion-resistant structure of a close zinc alloy layer. Alloy layer and pure zinc layer, Hot-dipped Galvanzied Steel Pipe steel pipe body integration. So its strong corrosion resistance.

 Hot galvanized steel pipe is the acid pickling, remove the surface of the oxide layer, and then in the zinc chloride aqueous solution for cleaning, after the steel into the hot plating tank, and then heated, hot-dip galvanized steel pipe formed. Through such a process, so that hot-dip galvanized steel pipe has the following advantages:

First, the use of anti-embroidered steel pipe surface is more durable, not too fast oxidation, not in the formation of white rust on the steel pipe;

Second, the full protection of the steel pipe, through the heating of each part of the steel pipe are plated with zinc, Hot-dipped Galvanzied Steel Pipe bumps have been protected;

Third, with anti-corrosion characteristics of wear and tear, so that the use of steel pipe longer

Four, because already in the steel pipe has been plated outside the zinc, which eliminates the need for oil or paint outside the time, the construction is also more convenient;

5, galvanized steel pipe is three or nine days will not crack, Hot-dipped Galvanzied Steel Pipe especially for the cold weather in the north!

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