本文件给出了选择和鉴定CRA的要求和建议 （耐腐蚀合金）和其他用于石油和天然气设备的合金 在含有H2S的环境中生产和天然气处理厂，其故障可能造成 对公众和人员的健康和安全或环境的风险。它可以应用于 有助于避免对设备本身造成昂贵的腐蚀损坏。它补充而不是取代 适用设计规范、标准或法规的材料要求。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document gives requirements and recommendations for the selection and qualification of CRAs (corrosion-resistant alloys) and other alloys for service in equipment used in oil and natural gas production and natural gas treatment plants in H2S-containing environments whose failure can pose a risk to the health and safety of the public and personnel or to the environment. It can be applied to help avoid costly corrosion damage to the equipment itself. It supplements, but does not replace, the materials requirements of the appropriate design codes, standards, or regulations.All current amendments available at time of purchase are included with the purchase of this document.