A major use of stainless steel is in chloride containing environments; the limiting factor that most frequently determines an alloy's suitability to such environments is its crevice corrosion resistance. The objective of this work was to examine in detail the effect of minor elements on the crevice corrosion resistance of stainless steels ranging from the AISI 316 type to the 6% molybdenum austenitic stainless steels in order to define an alloy composition which would be suitable for seawater service. To this end 8 commercial stainless steels together with 31 high purity experimental alloys have been assessed for resistance to crevice corrosion initiation in seawater environments using an accelerated test technique. Overall the results indicate the feasibility of significantly improving the corrosion resistance of the high alloy austenitic stainless steels to the point where they would be suitable for seawater service.

Subject
Materials, Corrosion resistant alloys, Composition, Stainless alloys, Molybdenum alloys, Corrosion initiation, Seawater, Purity, Commercial alloys, Crevice corrosion, Corrosion resistance, Stainless steel, Alloys
© 1988 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).
1988
Association for Materials Protection and Performance (AMPP)
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