The original ten steam generators of the Hanford N Reactor, a pressurized water, dual-purpose reactor operated for the Atomic Energy Commission by Douglas United Nuclear, Inc., were provided with 304 stainless steel tubes. Since that time N Reactor has been following a program of replacing these tubes with Inconel-600. The first retubed generator went into service in 1964. At present, eight of the original ten steam generators have been retubed with Inconel-600 and two additional steam generators have been procured with Inconel-600 tubing, giving a total of ten with Inconel-600 tubes and two with 304 stainless steel tubes.

Subject
Films, Water, Metal surfaces, Reactors, Tubes, Microprobes, Oxide films, Coolants, Steam generators, Corrosion attacks, Metallographic examination, Tubing, Oxide surfaces
© 1971 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).
1971
Association for Materials Protection and Performance (AMPP)
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