This paper will address the types of failures common to firetube boilers, with a primary focus on waterside corrosion mechanisms such as oxygen pitting and crevice corrosion. Failures due to thermal fatigue cracking are also discussed. In addition, potential water treatment options are reviewed.

Subject
Pits, Corrosion failures, Water, Tubes, Corrosion cracking, Oxide surfaces, Corrosion inhibitors, Boilers, Pitting, Oxygen, Dissolved oxygen, Thermal fatigue, Cracking
Keywords:
firetube boiler, package boiler, hot-water boiler, water treatment, dissolved oxygen corrosion, thermal fatigue, anodic inhibitors, oxygen scavengers
© 2005 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).
2005
Association for Materials Protection and Performance (AMPP)
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