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ISO 15156-3:2003

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

ISO 15156-3:2003 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 could pose a risk to the health and safety of the public and personnel or to the environment. It can be applied to help to 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.

ISO 15156-3:2003 addresses the resistance of these materials to damage that may be caused by sulfide stress-cracking, stress-corrosion cracking and galvanically-induced hydrogen stress-cracking.

ISO 15156-3:2003 is only concerned with cracking. Loss of material by general (mass loss) or localized corrosion is not addressed.

Table 1 provides a non-exhaustive list of equipment to which ISO 15156-3:2003 is applicable, including permitted exclusions.

ISO 15156-3:2003 applies to the qualification and selection of materials for equipment designed and constructed using conventional elastic design criteria. For designs utilizing plastic criteria (e.g. strain-based and limit-state designs) see ISO 15156-1:2001, Clause 5.

ISO 15156-3:2003 is not necessarily suitable for application to equipment used in refining or downstream processes and equipment.

Content Provider
International Organization for Standardization [ISO]


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