In the Chemical Process Industry every type of the C-series (NiCrMo Alloys) is used, for example as pipes and vessels.

Because of the continuously increasing corrosion resistance requirements, these materials are being replaced by higher alloyed types such as Alloy 22 or Alloy 59.

This paper will examine the behaviour of the welding consumables FM 22 and FM 59, together with the base material combinations of the second series, which are used in the Process Industry.

The available corrosion results prove an excellent resistance of FM 59 together with the examined base material combinations.

In the Processing Industry only one weld filler metal would be needed in order to weld all base metals of the C-series, special steels and their combinations with sufficient corrosion resistance.

Subject
Materials, Corrosion resistant alloys, Corrosion rate, Nickel based alloys, Molybdenum alloys, Welding, Copper alloys, Base metals, Weld seams, Pitting, Corrosion resistance, Alloys, Electrodes
Keywords:
Chemical Process Industry, increasing corrosion requirements, examination of behaviour of FM 22 and FM 59, excellent resistance, one filler metal for all base metals
© 2004 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).
2004
Association for Materials Protection and Performance (AMPP)
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