One limiting step in the reliable operation of flue gas desulfurization (FGD) systems has been materials failure due to corrosion. The most common forms of corrosion encountered in various FGD system components are usually pitting or crevice corrosion. A practical solution to the corrosion problem is the use of the proper corrosion resistant alloy that is effective, performance wise and cost wise, for each specific component of the FGD system. Two new nickel-base alloys, HASTELLOY® alloys C-22 and H, have been engineered, developed, and tested in the laboratory and in the field to verify their improved resistance to localized corrosive attack. The uniqueness of these alloys is their versatility and cost-effective performance for most components in FGD systems.

Subject
Molybdenum, Corrosion resistant alloys, Stainless alloys, Nickel based alloys, Molybdenum alloys, Nickel chromium molybdenum alloys, Flue gas desulfurization, Tungsten, Copper alloys, Pitting, Corrosion resistance, Localized corrosion, Alloys
© 1987 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).
1987
Association for Materials Protection and Performance (AMPP)
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