GB/T 20972.2-2025
ActivePetroleum 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
石油天然气工业 油气开采中用于含硫化氢环境的材料 第2部分：抗开裂碳钢、低合金钢和铸铁
Application Summary AI generated
This standard specifies technical requirements for selecting and qualifying carbon steels, low alloy steels, and cast irons to resist sulfide stress cracking in hydrogen sulfide (H2S)-containing oil and gas production environments. It is applied by engineers and procurement professionals in the petroleum and natural gas industries for designing, manufacturing, and testing equipment such as downhole tubing, valves, and wellhead components exposed to sour service conditions. The standard ensures material integrity and safety in upstream and midstream operations where H2S-induced cracking poses operational risks.
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