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ISO 15156-1:2020

Petroleum and natural gas industries -- Materials for use in H2S-containing environments in oil and gas production -- Part 1: General principles for selection of cracking-resistant materials

This document has been re-assessed by the committee, and judged to still be up to date.

This document describes general principles and gives requirements and recommendations for the selection and qualification of metallic materials for service in equipment used in oil and gas production and in natural-gas sweetening plants in H₂S-containing environments, where the failure of such equipment can 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 given in the appropriate design codes, standards, or regulations.

This document addresses all mechanisms of cracking that can be caused by H₂S, including sulfide stress cracking, stress corrosion cracking, hydrogen-induced cracking and stepwise cracking, stress-oriented hydrogen-induced cracking, soft zone cracking, and galvanically induced hydrogen stress cracking.

Table 1 provides a non-exhaustive list of equipment to which this document is applicable, including exclusions.

This document applies to the qualification and selection of materials for equipment designed and constructed using load controlled design methods. For design utilizing strain-based design methods, see Clause 5.

This document is not necessarily applicable to equipment used in refining or downstream processes and equipment.

Table of contents are automatically generated, and may not be 100% accurate.

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Supersedes

ISO 15156-1:2015

Publishing information

Status: CURRENT

Published: 17/11/2020

Pages: 11

ICS codes

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75.180.01 Equipment for petroleum and natural gas industries in general