Abstract
Super duplex stainless steel sea water piping systems have been in use since 1991, generally with excellent results. However, there have been one or two problems at start-up for a few projects and a number of post weld surface treatments have been proposed to improve service performance. The paper describes the results of laboratory tests to investigate the effects of some of the treatments that have been suggested. Some of these offered a substantial improvement to the critical pitting temperature, and the practicality of these is discussed in relation to service experience.
© 2000 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).
2000
Association for Materials Protection and Performance (AMPP)
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