The use of 13 Chromium (Cr) tubing for oil and gas production has been rapidly increasing in recent years primarily due to its reduced cost and greater corrosion resistance compared to carbon steel. While the service conditions and limitations of 13 Cr steels are generally known, few problems and failures have been reported. It is important in any alloy system, even carbon steel, to evaluate problems and failures to better understand the envelope of applicability for an alloy in a potential environment. It is with this goal in mind that several case histories of 13 Cr problems and failures are presented in this paper. These problems are grouped in two categories - corrosion and cracking, for ease of discussion.

Subject
Corrosion failures, Water, Materials, Chromium, Couplings, Joints, Tubing, Pitting, Oxygen, Carbon steel, Sulfide stress cracking, Chlorides, Stress corrosion cracking
Keywords:
13 Chromium, CO2 Corrosion, Cracking, Chlorides, Oxygen, Toughness, Coupling, Api 5Ct, Pitting
© 1995 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).
1995
Association for Materials Protection and Performance (AMPP)
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