GB/T 9711.3-2005 Petroleum and natural gas industries-Steel pipe for pipelines-Technical delivery conditions-Part 3:Pipes of requirements class C (English Version)
This part of GB/T 9711 specifies the technical delivery conditions for seamless steel pipes and welded steel pipes of non-alloy steel and alloy steel (except stainless steel). The requirements of this part are generally more stringent than the provisions of ISO 3183-1 and ISO 3183-2. This standard is generally applicable to steel pipes for transporting flammable fluids under special harsh conditions such as ocean, low temperature and/or acidic environments. This section does not apply to cast pipes.
GB/T 9711.3-2005 history
2017GB/T 9711-2017 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems
2011GB/T 9711-2011 Petroleum and natural gas industries.Steel pipe for pipeline transportation systems
2005GB/T 9711.3-2005 Petroleum and natural gas industries-Steel pipe for pipelines-Technical delivery conditions-Part 3:Pipes of requirements class C
GB/T 9711.3-2005 Petroleum and natural gas industries-Steel pipe for pipelines-Technical delivery conditions-Part 3:Pipes of requirements class C was changed to GB/T 9711-2011 Petroleum and natural gas industries.Steel pipe for pipeline transportation systems .