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Specification for welding steel tubes

Nov 03, 2022

Specification for welding steel tubes

In the process of steel pipe welding, it is also necessary to pay attention to a lot of problems. In general, steel pipe welding is an important operation, and there are more problems to pay attention to in the welding of steel pipe. What are the specifications and various standards of steel pipe welding? Or to understand the steel pipe factory in detail:

1. GB/T3091-1993(galvanized welded steel pipe for low-pressure fluid transportation). Mainly used for conveying water, gas, air, oil and heating hot water or steam and other general low pressure fluids and other purposes. Its representative material Q235A steel.

2, GB/T3092-1993(galvanized welded steel pipe for low pressure fluid transportation). Mainly used for conveying water, gas, air, oil and heating hot water or steam and other general low pressure fluids and other purposes. Its representative material is: Q235A steel.

3. GB/T14291-1992(Welded steel pipe for mining fluid transportation). It is mainly used for straight welded steel pipe for mine air pressure, drainage and shaft gas discharge. Its representative material Q235A, B grade steel. GB/T14980-1994(Large diameter electrowelded steel tubes for low pressure fluid transport). Mainly used for conveying water, sewage, gas, air, heating steam and other low pressure fluid and other uses. It represents the material

Grade Q235A steel.

4, GB/T12770-1991(stainless steel welded steel pipe for mechanical structure). Mainly used in machinery, cars, bicycles, furniture, hotel and restaurant decoration and other mechanical parts and structural parts. Its representative material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on.

The main standards and main specifications of steel pipe welding are introduced to you above. If you have any other questions and comments about the steel pipe, please log on our website for detailed understanding!


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