Abstract
Rare corrosion failures of stainless steel are reviewed in the paper. The cases originate from low chloride waters like potable water or fresh water in the temperature range of 15-25°C. Under such conditions full resistance of austenitic stainless steel like AISI 316 is usually expected. In all cases corrosion was associated with the build-up of dense corrosion products (tubercles), which suggests microbial influence on corrosion. This is further supported by ennobled potentials in most cases. Based on the observations collected through failure investigations, possible theories for the cause of corrosion are discussed. Precautions to avoid corrosion e.g. when doing hydrostatic testing are also discussed.
© 2008 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).
2008
Association for Materials Protection and Performance (AMPP)
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