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Types of welded pipe
Time:2014/10/29 16:21:51      Author:admin     Clicks:0

Types of welded pipe

 

1. GB / T3091-2001, mainly used for conveying water, gas, air, oil and heating hot water or low pressure steam and other fluids and other general purpose pipes. The representative material for: Q235A grade steel.

2.GB/T14291-2006, mainly for mine air pressure, drainage, gas discharge shaft with a straight seam welded steel pipe. The representative of material Q235A, B grade steel. GB / T14980-1994, mainly used for conveying water, sewage, gas, air, steam and other low pressure fluid heating and other purposes. The representative of material Q235A grade steel.

3.GB/T12770-2002, mainly used for machinery, automobiles, bicycles, furniture, hotel and restaurant decorations and other mechanical components and structures. The representative of material 0Cr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb like.

4.GB/T12771-1991, mainly used for transporting low-corrosive media. Representative material for 0Cr13,0Cr19Ni9,00Cr19Ni11,00Cr17,0Cr18Ni11Nb, 0017Cr17Ni14Mo2 like.

5.carbon steel erw pipe (GB3640-88) is an industrial and civil construction, installation of machinery and equipment for the protection of electrical installation engineering steel wire.

6. straight seam welded steel pipe (YB242-63) is parallel to the longitudinal welds and steel pipe. Usually divided into metric welded steel pipe, welded tube, transformer cooling tubing and the like.

   
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