China National Standards

China bends GB Standards Search System


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "bends" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 29168.3-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges bends
    China National Standards
  • GB/T 29168.2-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 2: Fittings bends
    China National Standards
  • GB/T 29168.1-2012
  • Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends bends
    China National Standards
  • SY/T 5257-2012
  • Steel bends for oil and gas transmission bends
    China Oil & Gas Industry Standards
  • GB/T 21472-2008
  • Stainless steel bends and tees for the food industry bends
    China National GB Standards
  • SH/T 3065-2005
  • Technical standard for return bends and elbows of tubular heater in petrochemical industry bends
    China Petrochemical Industry Standards
  • DL/T 515-2004
  • Pipe bends for power station bends
    China Electricity & Power Standards

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