Hydrogen embrittlement is know to affect steels in most sour gas environments. The purpose of the paper is to present the effects of cleanliness of the metal on its resistance to hydrogen embrittlement. The paper outline the effects of sulfur, phosphorus, oxygen and carbon equivalent contents on the H2 embrittlement resistance of hot rolled plates. The need of calcium treatment is particullarly investigated. Tests results concerning the H2 resistance properties of segregated areas are presented. Finally process and steels specifications are discussed.

Subject
Sulfur, Hydrogen induced cracking, Hydrogen embrittlement, Microstructure, Phosphorus, Stress, Defects, Steel, Hydrophobic interaction chromatography, Sulfide stress cracking, Hardness, Hydrogen, Inclusions
© 1990 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).
1990
Association for Materials Protection and Performance (AMPP)
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