NACE MR 0175 ISO 15156 : 2015

NACE MR0175/ISO 15156-1:2015:

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 General principles
6 Evaluation and definition of service conditions to enable
material selection
7 Selection of materials resistant to SSC/SCC in the presence
of sulfides from existing lists and tables
8 Qualification of materials for H[2]S service
9 Report of the method of selection or qualification
Bibliography

NACE MR0175/ISO 15156-2:2015:

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Purchasing information
6 Factors affecting the behaviour of carbon and
low alloy steels in H[2]S-containing environments
7 Qualification and selection of carbon and
low-alloy steels with resistance to SSC, SOHIC
and SZC
8 Evaluation of carbon and low alloy steels for
their resistance to HIC/SWC
9 Marking, labelling and documentation
Annex A (normative) - SSC-resistant carbon and low alloy
steels (and requirements and recommendations for
the use of cast irons)
Annex B (normative) - Qualification of carbon and low-alloy
steels for H2S service by laboratory testing
Annex C (informative) - Determination of H[2]S partial pressure
Annex D (informative) - Recommendations for determining pH
Annex E (informative) - Information that should be supplied
for material purchasing
Bibliography

NACE MR0175/ISO 15156-3:2015:

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 H2S-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

This part of ANSI/NACE MR0175/ISO 15156 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