While alloy 825 was introduced to the market over fifty years ago, questions still abound about the proper methods for fabricating, welding and heat treating the alloy. Despite the fact that alloy 825 is a conventional iron-nickel-chromium-molybdenum alloy, it requires special attention to detail during processing to ensure that the product develops the optimum metallurgical structure, mechanical properties and corrosion resistance for the given application. This paper explores the various ways that alloy 825 products are produced and fabricated to try to define optimum processing techniques for the various applications in which the alloy is utilized.

Subject
Materials, Carbides, Precipitation (solids), Corrosion resistant alloys, Stainless alloys, Nickel based alloys, Molybdenum alloys, Chromium, Sensitization, Carbon, Corrosion resistance, Titanium alloys, Annealing
Keywords:
alloy N08825, corrosion, stabilization, sensitization, heat treatment, corrosion testing, microstructure, precipitation, Huey Test, carbides
© 2011 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).
2011
Association for Materials Protection and Performance (AMPP)
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