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What is a thick-walled steel pipe and its use

Thick-walled steel pipes, where the ratio of the outside diameter to the wall thickness of the steel pipe is less than 20, are referred to as thick-walled steel pipes. It is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe, and high-precision structural pipe for automobiles, tractors and aviation.

The biggest difference between thick-walled and thin-walled steel tubes is the thickness of the steel tube wall. Generally speaking, thin-walled steel tubes are cold drawing techniques. Thick-walled steel tubes and thick-walled steel tubes generally use hot-rolling technology, if they are measured in units of measure. , Well, generally believed that the wall thickness / diameter equal to 0.02 is a watershed of thick-walled steel pipe and thin-walled steel pipe, wall thickness / pipe diameter of less than 0.02 is thin-walled steel pipe, larger than thick-walled steel pipe, in terms of use, thin Wall steel pipes are mostly used on pipes. Thick-walled steel tubes are mostly used for blanks in hollow parts. Pressure and use on important pipelines.

Thick-walled steel pipes are mainly used in tap water projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction. For liquid transport: water supply, drainage. For gas transportation: gas, steam, liquefied petroleum gas. Used for structural purposes: as a pile driving pipe, as a bridge; piers, roads, building structures, etc.

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