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How is seamless pipe for conveying fluid produced?

How is seamless pipe for conveying fluid produced?

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IoT For All

- Publish Date: March 12, 2022

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IoT For All

- Publish Date: March 12, 2022

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The seamless pipe for conveying fluid is a general seamless pipe used for conveying fluids such as water, oil, gas, etc. It is mainly used for conveying fluid pipelines in engineering and large-scale equipment; the representative material (brand) is 20, Q345, etc.

A seamless pipe for conveying fluid is a hollow section with no welds from start to finish. The steel pipe has a hollow section, and is widely used as a pipeline for transporting fluids to transport oil, natural gas, gas, water and certain solid materials. Compared with solid steel such as round steel, steel pipe is lighter in weight when the bending and torsional strength is the same. and steel scaffolding used in building construction.

Manufacturing method

  1. Generally, the use temperature of boiler tubes is below 450 °C, and domestic tubes are mainly made of No. 10 and No. 20 carbon steel hot-rolled tubes or cold-drawn tubes.

  2. High-pressure boiler tubes are often used in high temperature and high pressure conditions, and the tubes will be oxidized and corroded under the action of high-temperature flue gas and water vapor. The steel pipe is required to have high lasting strength, high oxidation corrosion resistance, and good organizational stability.

use

  1. General boiler tubes are mainly used to manufacture water wall tubes, boiling water tubes, superheated steam tubes, superheated steam tubes for locomotive boilers, large and small smoke tubes and arch brick tubes, etc.

  2. High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, gas guide tubes, main steam tubes, etc. of high-pressure and ultra-high-pressure boilers. However, round pipes also have certain limitations. For example, under the condition of plane bending, round pipes are not as strong as square and rectangular pipes. Some agricultural machinery skeletons, steel and wood furniture, etc., are commonly used. Special-shaped steel pipes with other cross-sectional shapes are also required according to different purposes.

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