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Introduction and application of galvanized steel pipe

Views: 3     Author: Site Editor     Publish Time: 2021-01-11      Origin: Site

Galvanized steel pipes are divided into cold-galvanized steel pipes and hot-dip galvanized steel pipes

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Cold-galvanized steel pipes have been banned, and the latter is also recommended by the state to be temporarily used. In the 1960s and 1970s, developed countries in the world began to develop new types of pipes and gradually banned galvanized pipes.

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Four ministries and commissions including the Ministry of Construction of China also issued a document that banned galvanized pipes as water supply pipes since 2000. 

Galvanized pipes are rarely used for cold water pipes in newly built communities, and hot water pipes in some communities are galvanized pipes. Hot-dip galvanized steel pipes are widely used in fire fighting, electric power and highwaysHot-dip galvanized steel pipes are widely used in construction, machinery, coal mines, chemicals, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.

Galvanized steel pipes are welded steel pipes with hot-dip galvanized or electro-galvanized layers on the surface. Galvanizing can increase the corrosion resistance of the steel pipe and prolong the service life. Galvanized pipes have a wide range of uses. In addition to line pipes for conveying water, gas, oil and other general low-pressure fluids, they are also used as oil well pipes and oil pipes in the petroleum industry, especially offshore oilfields, as well as oil heaters and condensate for chemical coking equipment. Pipes for coolers, coal-distilled wash oil exchangers, pipe piles for trestle bridges, pipes for support frames in mine tunnels, etc.

The commonly referred to as galvanized pipes, galvanized pipes are used for gas and heating. The iron pipes used for gas and heating are also galvanized pipes. Galvanized pipes are used as water pipes. After several years of use, a lot of rust and dirt are generated in the pipes, and the yellow water that flows out not only pollutes the sanitary ware , And it is mixed with bacteria that breed on the uneven inner wall, and rust causes excessive heavy metal content in the water, which seriously harms human health.

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