Hydrogen induced stress cracking (HISC) has been experienced on duplex stainless steels and supermartensittic stainless steels under cathodic protection (CP) in seawater. Several material and environmental parameters influence the susceptibility to HISC. It has been important for the oil industry to establish reliable test method(s) for qualification and safe utilization of subsea pipelines and components made from stainless steels. This paper describes a method that has been developed through a JIP executed with support from leading oil companies and meterial suppliers.

Subject
Test methods, Materials, Hydrogen concentration, Cathodic protection, Geometry, Diffusion, Crack initiation, Stress cracking, Stress, Creep, Stainless steel, Test specimen, Hydrogen
Keywords:
Stainless steel, cathodic protection, hydrogen induced stress cracking, test method
© 2007 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).
2007
Association for Materials Protection and Performance (AMPP)
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