_STP_880-1985.pdf

CORROSION OF METALS UNDER THERMAL INSULATION A symposium sponsored by ASTM Committees C-16 on Thermal Insulation and G-1 on Corrosion and the National Association of Corrosion Engineers,the Institution of Corrosion Science and Technology,and the Materials Technology Institute of the Chemical Process Industries ASTM SPECIAL TECHNICAL PUBLICATION 880 Warren I.Pollock,E.I.du Pont de Nemours and Company,and Jack M.Barnhart,Thermal Insulation Manufacturers Association,editors ASTM Publication Code Number(PCN)04-880000-27 1916 Race Street,Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging in Publication Data Main entry under title:Corrosion of metals under thermal insulation.(ASTM special technical publication;880)Papers presented at the symposium held at San Antonio,TX,11-13 Oct.1983.Includes bibliographies and index.ASTM publication code number(PCN)04-880000-27 1.Corrosion and anti-corrosives-Congresses.2.Insulation(Heat)-Congresses.I.Pollock,Warren I.II.Barnhart,Jack M.III.ASTM Committee C-16 on Thermal Insulation.IV.Series.TA462.C6567 1985 621.1%23 85-10616 ISBN 0-8031-0416-2 Copyright?9 by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1985 Library of Congress Catalog Card Number:85-10616 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Ann Arbor,MI Aug.1985 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword The symposium on Corrosion of Metals Under Thermal Insulation was pre-sented at San Antonio,TX,11-13 Oct.1983.The symposium was sponsored by ASTM Committees C-16 on Thermal Insulation and G-1 on Corrosion and by the National Association of Corrosion Engineers,the Institution of Corro-sion Science and Technology,and The Materials Technology Institute of the Chemical Process Industries.Warren I.Pollock,E.I.du Pont de Nemours and Company,and Jack M.Barnhart,Thermal Insulation Manufacturers Association,presided as chairmen of the symposium and are editors of this publication.Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Atmospheric Corrosion of Metals,STP 767(1982),04-767000-27 Atmospheric Factors Affecting the Corrosion of Engineering Metals,STP 646(1978),04-646000-27 Chloride Corrosion of Steel in Concrete,STP 629(1977),04-629000-27 Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.A Note of Appreciation to Reviewers The quality of the papers that appear in this publication reflects not only the obvious efforts of the authors but also the unheralded,though essential,work of the reviewers.On behalf of ASTM we acknowledge with appreciation their dedication to high professional standards and their sacrifice of time and effort.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.ASTM Editorial Staff Susan L.Gebremedhin Janet R.Schroeder Kathleen A.Greene Bill Benzing Copyright by ASTM Intl(all rights reserved);Sun Dec 27 14:06:51 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 TECHNICAL OVERVIEW The Function of Thermal Insulation-JACK M.BARNHART 5 THE PROBLEM Factors Affecting Corrosion of Carbon Steel Under Thermal Insulation-PETER LAZAR,III 11 Factors Affecting the Stress Corrosion Cracking of Austenitlc Stainless Steels Under Thermal Insulation-DALE McINTYRE 27 A Review of the European Meeting on Corrosion Under Lagging Held in England,November 1980-JAMES A.RICHARDSON 42 THERMAL INSULATION MATERIALS Thermal Insulation Materials:Generic Types and Their Properties-GEORGE E.LANG 63 FIELD EXPERIENCE Experience with Corrosion Beneath Thermal Insulation in a Petrochemical Plant-TORE SANDBERG 71 Recent Experiences with Corrosion Beneath Thermal Insulation in a Chemical Plant-VICTOR C.LONG AND PAULA G.CRAWLEY 86 Failure of Type 316 Stainless Steel Nozzles in Contact with Fire Retardant Mastic-8.J.MONIZ AND M.C.RITTER 95 External Stress Corrosion Cracking of Stainless Steel Under Thermal Insulation-20 Years Later-WILLIAM G.ASHBAUGH 103 Shell and Jacket Corrosion of a Foamed In-Place Thermally Insulated Liquefied Petroleum Gas Tank-DONALD