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Product standard classification of welded pipe

Date of issue :2013-11-01Source:http://www.ytcast.comBrowse:order
  
Welded pipe used material: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb etc..
Welded steel billets is used in sheet or strip, its different welding process is divided into the furnace pipe, welding (ERW) tube and automatic arc welding. Because of different forms of welding is divided into straight seam welded pipe and spiral welded pipe two. By the end of round shape is divided into pipe and profiled (square, flat) welded pipe.
Pipe material and its use is different and is divided into several varieties are as follows:
GB/T3091-2008 (welded steel pipe for low pressure fluid delivery). Mainly used for conveying water, gas, air, oil and heating hot water or steam etc generally low pressure flow and other purposes. The representative of material: Q235 grade steel.
GB/T14291-2006 (mine welded steel pipes for liquid delivery). Mainly used in mine air pressure, drainage, shaft gas straight seam welded steel pipe. The representative of material Q235A, B grade steel.
GB/T14980-1994 (with a large diameter steel tube low pressure fluid delivery). Mainly used for conveying water, sewage, gas, air, steam heating and other purposes such as low-pressure fluid. The representative of material Q235 grade steel.
GB/T12770-2002 (welded stainless steel tubes for mechanical structure). Mainly used in machinery, automobile, bicycle, hotels and hotel furniture, decoration and other mechanical components and structural parts. The representative of material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb etc..
GB/T12771-1991 (welded stainless steel pipes for liquid delivery). Mainly used to transport corrosive medium voltage. Representative of the material is 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2 etc..
Welded stainless steel pipes for decoration (GB/T18705-2002), welded stainless steel tubes for architectural decoration (JG/T3030-1995), with a large diameter steel tube low pressure fluid delivery (GB/T3091-2001), and heat exchanger welded steel pipe (YB4103-2000).

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