A steel pipe inside of a steel casing is, without a doubt from the corrosion viewpoint, at the mercy of the environment surrounding the pipe. If the steel pipe has been properly insulated from the casing, the ends of the casing sealed so that foreign material can not enter, the carrier pipe coated with all holidays repaired, and the annular space filled only with air, there should be no corrosion activity on the pipe. This is what we all strive to do each time a pipeline is installed in a casing. Unfortunately, however, since each installation is an individual and unique situation, it is evident from past history that optimum conditions are not permanent.
Subject
Carrier pipes,
Water,
Materials,
Piping,
Cathodic protection,
Tape,
Annulus,
Pipelines,
Steel pipes,
Steel,
Engineers,
Rubber,
Mastic
© 1978 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).
1978
Association for Materials Protection and Performance (AMPP)
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