_STP_965-1988.pdf

DEGRADATION OF METALS IN THE ATMOSPHERE A symposium sponsored by ASTM Committee G-1 on Corrosion of Metals Philadelphia,PA,12-13 May 1986 ASTM SPECIAL TECHNICAL PUBLICATION 965 Sheldon W.Dean,Air Products and Chemicals.Inc.,and T.S.Lee,National Association of Corrosion Engineers,editors ASTM Publication Code Number(PCN)04-965000-27 iSlb 1916 Race Street,Philadelphia,PA 19103 Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)pursuant to License Agreement.No further reproductions authorized.Library of Congress Cataloging-in-Publication Data Degradation of metals in the atmosphere:a symposium sponsored by ASTM Committee G-1 on Corrosion of Metals,Philadelphia,PA,12-13 May 1986/Sheldon W.Dean and T.S.Lee,editors.(ASTM special technical publication;965)Proceedings of the Symposium on Degradation of Metals in the Atmosphere.ASTM publication code number(PCN)04-965000-27.Includes bibliographies and index.ISBN 0-8031-0966-0 1.Corrosion and anti-corrosivesCongresses.2.Metals-Congresses.I.Dean,S.W.II.Lee,T.S.(Thaddeus Shuptrine),1948-.III.Symposium on Degradation of Metals in the Atmosphere(1986:Philadelphia,PA)IV.American Society for Testing and Materials.Committee G-1 on Corrosion of Metals.V.Series.TA462.D37 1987 87-33261 620.1623-dcl9 CIP Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1987 Library of Congress Catalog Card Number:87-33261 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in West Hanover,MA February 1988 Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)pursuant to License Agreement.No further reproductions authorized.FOREWORD The Symposium on Degradation of Metals in the Atmosphere was pre-sented at Philadelphia,PA,on 12-13 May 1986,The symposium was spon-sored by ASTM Committee G-1 on Corrosion of Metals.Sheldon W.Dean,Air Products and Chemicals,Inc.,and T.S.Lee,National Association of Corrosion Engineers,served as chairmen of the symposium and are editors of the resulting publication.Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)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 Corrosion in Natural Environments,STP 558(1974),04-558000-27 Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)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);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)pursuant to License Agreement.No further reproductions authorized.ASTM Editorial Staff Susan L.Gebremedhin Janet R.Schroeder Kathleen A.Greene William T.Benzing Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)pursuant to License Agreement.No further reproductions authorized.Contents latroduction MATERIALS PERFORMANCE Sixteen-Year Atmospheric Corrosion Performance of Weathering Steels in Marine,Rural,and Industrial Environments C.R.SHASTRY,J.J.FRIEL,AND H.E.TOWNSEND 5 Discussion 15 Atmospheric Corrosion Problems with Weathering Steels in Louisiana BridgesARAVAMUDHAN RAMAN 16 Discussion 29 Effects of Weathering of Chromate Passivation Films on Aluminum-Zinc Alloy Coated Sheet Steel HAROLD J.CLEARY 30 Discussion 34 The Corrosion of Stainless Steels in the Atmospherej.R.KEARNS,M.I.JOHNSON,AND P.I.PAVIK 35 Discussion 50 Long-Term Atmospheric Corrosion Behavior of Various Grades of Stainless SteelEARL A.BAKER AND THAD S.LEE 52 Discussion 67 Atmospheric Corrosion and Development of a Stainless Steel Alloy Agnst Marine EnvironmentsSATOSHI ITO,H.OMATA,TOMOMI MURATA,AND M.YABUMOTO 68 Discussion 77 Atmospheric Corrosion of the Suspension Cables on the Williamsburg BridgeLAWRENCE E.EISELSTEIN AND ROBERT D.CALIGIURI 78 Discussion 93 Copyright by ASTM Intl(all rights reserved);Mon Aug 31 22:50:08 EDT 2015Downloaded/printed byUniversity of Calgary Library(University of Calgary Library)pursuant to License Agreement.No further reproductions authorized.Observations on Atm