Galvanized steel pipe is molten metal and reacting the iron matrix alloy layer, so that the substrate and coating combination of both.

Galvanized steel pipe into cold galvanized steel, hot dip galvanized steel pipe, cold galvanized steel pipe has been disabled, which is also able to use a temporary state advocates. Sixties and seventies, the international developed countries began to develop new pipe, and gradually disable galvanized pipe. Chinese Ministry of Construction and other four ministries issued a document clearly disabled from 2000 onwards galvanized pipe as the water pipes, the new district of the cold water pipe has been rarely used galvanized pipe, some residential hot water pipes using galvanized pipe. Hot dip galvanized steel in the fire, electricity and highways have a wide range of applications.

Hot dip galvanized steel pipe is widely used in construction, machinery, coal, chemical, railway vehicles, the automotive industry, roads, bridges, container, sports facilities, agricultural machinery, oil machinery, mining machinery and other manufacturing industries.

Galvanized steel pipe surface or hot-dip galvanized layer of welded steel pipe. Galvanized steel pipe to increase corrosion resistance and prolong life. Galvanized pipe is widely used, except for water, gas, oil, general low pressure fluid line pipe is also used as an oil heater oil industry, particularly the marine oil field oil well pipes, pipelines, chemical coking equipment, condensing cooler, coal washing oil distillate exchange used pipe and trestle pipe pile, mine tunnel support frame pipe.