The exceptional resistance to pitting and crevice corrosion combined with no sensitiveness to chloride induced stress corrosion cracking as well as the excellent mechanical properties recommend alloy 50 for applications in marine environments. Another advantage of alloy 50 before other well established alloys is given by the absence of stable nitride formers such as niobium and titantium, so that during welding no nitrides are formed.

This paper presents mechanical values of joint welds of alloy 50 with different stainless steels as well as results of corrosion tests on joint welds and overlay welds.

Subject
Corrosion resistant alloys, Pitting temperature, Stainless alloys, Filler metals, Nickel based alloys, Molybdenum alloys, Joints, Base metals, Green death, Gas tungsten arc welding, Pitting, Corrosion resistance, Alloys
Keywords:
Alloy 50 (UNS N 06650), filler metal, mechanical properties, corrosion resistance, ASTM G 28-A, ASTM G 48-C, Green Death Solution, seawater
© 2003 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).
2003
Association for Materials Protection and Performance (AMPP)
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