Two case histories of carbon steel boiler tube failures are presented in this paper. One covers gouging of an evaporator tube in an atmospheric fluidized bed combustion unit operating with free caustic in the water. The other illustrates under-deposit corrosion and hydrogen damage of waterwall tubing in a conventional utility boiler. Water quality control and adequate component monitoring will help to combat these failures.

Subject
Corrosion failures, Water, Hydrogen damage, Grooves, Metal surfaces, Tubes, Corrosion products, Surface layers, Boilers, Deposit corrosion, Upset, Chlorides, Water treatment facilities
© 1989 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).
1989
Association for Materials Protection and Performance (AMPP)
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