Galvanized steel pipe is divided into cold galvanized steel pipe, hot dip galvanized steel pipe

January 11, 2023

Galvanized steel pipe is divided into cold galvanized steel pipe, hot-dip galvanized steel pipe, cold galvanized steel pipe has been banned, the latter also advocated for temporary use by the state. In the 1960s and 1970s, developed countries in the world began to develop new types of pipes and banned galvanized pipes one after another. China's Ministry of Construction and other four ministries also issued a document stating that the use of galvanized pipes as water supply pipes has been banned since 2000. At present, galvanized pipes have rarely been used for cold water pipes in new communities, and galvanized pipes are used for hot water pipes in some communities.
Hot-dip galvanized steel pipes are widely used in manufacturing industries such as construction, machinery, coal mines, chemical industry, railway vehicles, automobile industry, roads, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, and prospecting machinery.
Galvanized steel pipe with hot-dip or electro-galvanized steel. Galvanizing increases the corrosion resistance of steel tubes and extends their service life. The use of galvanized pipe is very wide. Except for the line pipe of general low pressure fluid such as water, coal gas, oil, etc., it is also used as oil well pipe and oil pipe of petroleum industry, especially offshore oil field, and oil heater and condensation of chemical coking equipment. Cooler, coal distillate oil exchange pipe, and trestle pipe piles, mine pit support frame pipe.

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