Oil and gas industry need for a reliable procedure for selecting metallic materials for hydrogen sulfide service provided the emphasis for the development of NACE Standard MR0175. Early research and field experience with sour gas (gas containing H2S) led to several guidelines prepared by a Canadian industry group. These guidelines were later used in the preparation of NACE Report 1F166 and NACE Standard MR0175. A number of governmental agencies, such as the Texas Statewide Rule 36, have referred to MR0175 for guidance on metallic material selection where H2S is expected to be present. MR0175 is reissued annually as new items and revisions are made. Currently the European Federation of Corrosion (EFC) is considering issuing their version of a metal selection guideline document for sour environments. NACE has initiated discussions with ISO to convert MR0175, TM0177 and possibly TM0284 into ISO standards. Close cooperation between EFC and NACE is essential for these efforts to be successful.

Subject
Test methods, Materials, Metallic materials, Corrosion resistant alloys, Sour environments, Industries, Sour gas, Oil and gas, Oilfields, Steel, Equipment, Sulfide stress cracking, Stress corrosion cracking
Keywords:
H2S, sour gas, metallic materials, stress corrosion cracking, SCC, sulfide stress corrosion cracking, SSC, metal selection, sour gas wells, sour oil and gas wells
© 1995 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1995
Association for Materials Protection and Performance (AMPP)
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