标准编号：ISO 15156-3:2015
中文名称：石油和天然气工业 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
英文名称：Petroleum and natural gas industries — Materials for use in H2S-containing environments in oil and gas production — Part 3: Cracking-resistant CRAs (corrosion-resistant alloys) and other alloys
发布日期：2015-09
标准范围
This part of ISO 15156 gives requirements and recommendations for the selection and qualification ofCRAs (corrosion-resistant alloys) and other alloys for service in equipment used in oil and natural gasproduction and natural gas treatment plants in H2S-containing environments whose failure can posea risk to the health and safety of the public and personnel or to the environment. It can be applied tohelp avoid costly corrosion damage to the equipment itself. It supplements, but does not replace, thematerials requirements of the appropriate design codes, standards, or regulations.This part of ISO 15156 addresses the resistance of these materials to damage that can be caused bysulfide stress-cracking (SSC), stress-corrosion cracking (SCC), and galvanically induced hydrogenstress cracking (GHSC).This part of ISO 15156 is concerned only with cracking. Loss of material by general (mass loss) orlocalized corrosion is not addressed.Table 1 provides a non-exhaustive list of equipment to which this part of ISO 15156 is applicable,including permitted exclusions.This part of ISO 15156 applies to the qualification and selection of materials for equipment designed andconstructed using load controlled design methods. For design utilizing strain-based design methods,see ISO 15156-1:2015, Clause 5.This part of ISO 15156 is not necessarily suitable for application to equipment used in refining ordownstream processes and equipment.
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