Abstract
A brief history and discussion of the properties of ductile iron pipe are presented in relation to its strengths and weaknesses vis-a-vis the need for corrosion control. Additionally, three methods of corrosion protection for the pipe are highlighted, including polyethylene encasement, cathodic protection, and bonded coatings. Based on 38 years of combined research and field application, this writer asserts that in the majority of corrosive environments, polyethylene encasement has proved equally effective and more economical than the alternative protection methods available to utility managers and engineers.
© 1989 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).
1989
Association for Materials Protection and Performance (AMPP)
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