GB/T 9711-2011: Translated English of Chinese Standard. (GBT 9711-2011, GB/T9711-2011, GBT9711-2011): Petroleum and natural gas industries - Steel pipe for pipeline transportation systems

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https://www.chinesestandard.net, 18 janv. 2016 - 189 pages
This Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
 

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