GB/T 20972.3-2008
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
Petroleum and natural gas industries.Material for use in HS-containing environments in oil and gas production.Part 3:Cracking-resistant CRAs(corrosion-resistant alloys)and other alloys
GBT20972.3-2008, GB20972.3-2008