2023GB/T 9711-2023 Steel pipes for oil and gas industry pipeline transportation systems
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
1999GB/T 9711.2-1999 Petroleum and natural gas industries-Steel pipe for pipelines-Technical delivery conditions-Part 2: Pipes of requirement class B
1997GB/T 9711.1-1997 Petroleum and natural gas industries--Steel pipe for pipelines--Technical delivery conditions--Part 1: Pipes of requirements class A