Executive standard and corresponding material of seamless steel pipe

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Update time : 2023-02-07 09:32:35

  1. GB / T8162-1999 (theoretical weight of seamless steel pipe and galvanized steel pipe for structure). It is mainly used for general structure and mechanical structure. Its representative material (brand): carbon steel, 20 and 45 steel; Alloy steel Q345, 20c galvanized steel pipe price r, 40Cr, 20CrMo, 30-35crmo, 42CrMo, etc.

  2. GB / t8163-1999 (seamless steel pipe for fluid transportation). It is mainly used for conveying fluid pipelines on engineering and large equipment. The representative ceramic composite steel pipe material (brand) is 20, Q345, etc.

  3. GB3087-1999 (seamless steel tubes for low and medium pressure boilers). It is mainly used for conveying low and medium pressure fluid pipes of industrial boilers and domestic boilers. The representative materials are 10 and 20 steel.

  4. GB5310-1995 (seamless steel pipe for high pressure boiler). It is mainly used for high temperature and high pressure transmission fluid header and pipeline on the boiler of power station and Tianjin seamless steel tube nuclear power station. The representative materials are 20g, 12Cr1MoVG, 15CrMoG steel pipe scaffold, etc.

  5. Gb5312-1999 (carbon steel and carbon manganese steel seamless steel tubes for ships). China seamless steel pipe network is mainly used for class I and II pressure pipes for marine boilers and superheaters. The representative materials are 360, 410 and 460 steel grades.

  6. Gb1479-2000 (seamless steel pipe for high pressure chemical fertilizer equipment). It is mainly used in the high temperature and high pressure fluid pipeline of Tianjin steel pipe group. The representative materials are 20, 16Mn, 12CrMo, 12cr2mo, etc.

  7. GB9948-1988 (seamless steel pipe for petroleum cracking). It is mainly used for boilers, heat exchange scaffolds, steel pipe pricers and fluid transmission pipelines in petroleum smelters. The representative materials are 20, 12CrMo, 1Cr5Mo, 1cr19ni11nb, etc.

  8. GB18248-2000 (seamless steel pipe for gas cylinder). It is mainly used for making all kinds of gas welded steel pipes and hydraulic cylinders. Its representative materials are 37Mn, 34Mn2V, 35CrMo, etc.

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