Fuel ash corrosion of conventional case heat resistant alloys (25 Cr/12 Ni, and 25 Cr/20 Ni steels, used for tube supports in refinery fired heaters, can be exceptionally severe when some residual fuel oils containing appreciable amounts of vanadium, sodium and sulphur are used as fuel. There have been many cases in which heaters have been converted from gas firing to heavy fuel oil, or new heaters commissioned on residual oil fuel, where severe tube support wastage has prevented one normal scheduled unit campaign period being achieved.
© 1979 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).
1979
Association for Materials Protection and Performance (AMPP)
You do not currently have access to this content.
