Duplex (austenitic/ferritic) stainless steels offer properties of interest and a cost effective material selection solution for plant and equipment in the pulp and paper industry. The characteristics of duplex steels leading to successful long term applications of 22 Cr duplex and a copper containing 25 Cr super duplex stainless steel are reviewed. It is concluded that, applied correctly, two-phase stainless steels can provide long term reliable maintenance-free service in many pulp and paper plant environments.

Subject
Acids, Marine environments, Materials, Corrosion resistant alloys, Stainless alloys, Pulp, Copper alloys, Steel, Pitting, Corrosion resistance, Copper, Stainless steel, Chlorides
Keywords:
Duplex stainless steel, super duplex steel, duplex steel-copper containing, high strength stainless steel, acid corrosion, pitting corrosion, abrasion/erosion, stress corrosion, fatigue, pulp and paper
© 1996 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).
1996
Association for Materials Protection and Performance (AMPP)
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