Data is presented showing that the sulfide stress cracking (SSC) resistance of thick-walled tubulars varies through the wall as both a function of hardness and microstructure. Evaluation of the SSC resistance as a function of both microstructure and hardness is necessary to ensure satisfactory service when materials containing inhomogeneities are contemplated for use. Double cantilevered beam testing is particularly applicable to quantitative measurement of SSC resistance. This is useful in the evaluation of existing pipe for fitness for service. It is conservative in testing tubular members as the cracking properties are measured in the long transverse orientation. This direction possesses lower toughness than the longitudinal orientations, and can be the direction of maximum loading (burst) of the tubular in service.

Subject
Rockwell hardness, Test methods, Materials, Materials performance, Microstructure, Surface hardness, Walls, Hardness measurements, Cracking resistance, Steel, Sulfide stress cracking, Hardness, Martensite
© 1988 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).
1988
Association for Materials Protection and Performance (AMPP)
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