China 'GB/T 20972.3-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20972.3-2025
Petroleum and Natural Gas Industries - Materials for Use in Hydrogen Sulfide-Containing Environments in Oil and Gas Production - Part 3: Cracking-Resistant and Corrosion-Resistant Alloys and Other Alloys 石油天然气工业-油气开采中用于含硫化氢环境的材料-第3部分:抗开裂耐蚀合金和其他合金
Issued Date:2025/1/24
Implemented Date:2025/8/1
Issued by:
The Standardization Administration of the People's Republic of China