Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels, and the use of cast irons
NORMA vydaná dňa 28.8.2008
Designation standards: GB/T 20972.2-2008
Note: NEPLATNÁ
Publication date standards: 28.8.2008
Country: Chinese technical standard
Kategória: Technické normy GB