DIN EN ISO 15156-3:2015-12

National foreword
National Annex NA (informative) - Bibliography
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Factors affecting the cracking-resistance of CRAs
  and other alloys in H[2]S-containing environments
6 Qualification and selection of CRAs and other
  alloys with respect to SSC, SCC, and
  GHSC in H[2]S-containing environments
7 Purchasing information and marking
Annex A (normative) - Environmental cracking-resistant
        CRAs and other alloys (including Table A.1 -
        Guidance on the use of the materials selection
        tables)
Annex B (normative) - Qualification of CRAs for
        H[2]S-service by laboratory testing
Annex C (informative) - Information that should
        be supplied for material purchasing
Annex D (informative) - Materials chemical
        compositions and other information
Annex E (informative) - Nominated sets of test
        conditions
Bibliography

Provides 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 H[2]S-containing environments whose failure can pose a risk to the health and safety of the public and personnel or to the environment.