Galvanized steel pipe is a welded steel pipe with a hot-dip or electroplated galvanized layer on its surface. Galvanizing can increase the corrosion resistance of steel pipes and extend their service life. Galvanized pipes have a wide range of applications. In addition to being used as pipeline pipes for general low-pressure fluids such as water, gas, and oil, they are also used as oil well pipes and oil pipelines in the petroleum industry, especially in marine oil fields. They are also used as pipes for oil heaters, condensers, and coal tar wash oil exchangers in chemical coking equipment, as well as pipes for support structures in wharf piles and mining tunnels.

The biggest advantage of galvanized steel plate is excellent corrosion resistance, painting, decoration and good formability. With the development of industry, hot dip galvanizing products have been used in many fields. The advantage of hot dip galvanizing is that the anti-corrosion life is long and it has been a popular anti-corrosion treatment method to adapt to the environment widely. It is widely used in power tower, communication tower, railway, highway protection, road light pole, Marine component, building steel structure component, auxiliary facilities of substation, light industry and so on.