Austenitic stainless steels are often exposed to high temperatures during fabrication and in service. The thermal conditions encountered can produce carbide precipitation at grain boundaries that reduces corrosion resistance and elevated temperature strength. Steels that display intergranular carbide precipitation after exposure to high temperatures are said to be “sensitized.” The temperatures attained during welding, for example, can cause localized sensitization and subsequent corrosion in the heat-affected zone of weldments. The corrosion resistance of austenitic stainless steels also can be reduced by sensitization that may occur at stress relieving temperatures, i.e., 100 to 1500 F (538-816 C).
© 1969 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).
1969
Association for Materials Protection and Performance (AMPP)
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