Type 430 stainless steel is a 17 percent chromium stainless steel having good strength and good resistance to corrosion in many media. This steel is an old standby in the family of stainless steels having been produced in all forms for many years. Quite sometime ago it became evident that Type 430 stainless steel weldments in their as-welded condition displayed rather low resistance to attack when exposed to corrosive media. Corrosion in the weld area generally encompassed both the weld metal and weld heat affected areas of the base metal. Additional work to understand and possibly correct this problem appeared justified because of the alloy’s desirable properties for applications where welding was to be applied. As compared with the austenitic stainless steels, reduced weld distortion and better resistance to failure by stress corrosion are the principal advantages offered by Type 430 stainless steel.

Subject
Weld attack, Corrosion failures, Materials, Composition, Weldments, Welding, Base metals, Mechanical failure, Heat, Corrosion resistance, Stainless steel, Heat affected zone, Martensite
© 1968 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).
1968
Association for Materials Protection and Performance (AMPP)
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