_STP_679-1979.pdf

PROPERTIES OF AUSTENITIC STAINLESS STEELS AND THEIR WELD METALS(Influence of Slight Chemistry Variations)A symposium sponsored by ASTM Committee A-1 on Steel,Stainless Steel,and Related Alloys AMERICAN SOCIETY FOR TESTING AND MATERIALS Atlanta,Ga.,14 Nov.1977 ASTM SPECIAL TECHNICAL PUBLICATION 679 C.R.Brinkman,Oak Ridge National Laboratory H.W.Garvin,Armco Steel editors List price$13.50 04-679000-02 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race Street,Philadelphia,Pa.19103 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Copyright?9 by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1979 Library of Congress Catalog Card Number:78-74566 NOTE The Society is not responsible,as a body,for the statements and opinions advanced in this publication.Printed in Baltimore,Md.April 1979 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Foreword This publication,Properties of Austenitic Stainless Steels and Their Weld Metals(Influence of Slight Chemistry Variations),contains papers presented at the Symposium on Influence of Carbon,Nitrogen,and Residual Element Chemistry on the Behavior of Austenitic Stainless Steels Used in Construction which was held in Atlanta,Ga.,14 Nov.1977.The sym-posium was sponsored by Committee A-1 on Steel,Stainless Steel,and Related Alloys,American Society for Testing and Materials.C.R.Brinkman,Oak Ridge National Laboratory,and H.W.Garvin,Armco Steel,presided as symposium chairmen and editors of this publication.Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Related ASTM Publications Fatigue Testing of Weldments,STP 648(1978),$28.50,04-648000-30 Intergranular Corrosion of Stainless Alloys,STP 656(1978),$24.00,04-656000-27 Unified Numbering System for Metals and Alloys,DS 56A(1977),05-056001-01 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.A Note of Appreciation to Reviewers This publication is made possible by the authors and,also,the unheralded efforts of the reviewers.This body of technical experts whose dedication,sacrifice of time and effort,and collective wisdom in reviewing the papers must be acknowledged.The quality level of ASTM publications is a direct function of their respected opinions.On behalf of ASTM we acknowledge with appreciation their contribution.ASTM Committee on Publications Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Editorial Staff Jane B.Wheeler,Managing Editor Helen M.Hoersch,Associate Editor Ellen J.McGlinchey,Senior Assistant Editor Helen Mahy,Assistant Editor Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.Contents Introduction 1 Effect of Heat-to-Heat and Melt Practice Variations upon Fatigue Crack Growth in Two Austenitic Steels-L.A.JAMES 3 Discussion 16 Effect of Nitrogen on the Sensitization,Corrosion,and Mechanical Properties of 18Cr-8Ni Stainless Steels-J.J.ECKENROD AND C.W.KOVACH 17 Discussion 40 Effect of Electrode Coating on the High-Temperature Mechanical Properties of AISI 316 Austenltic Weld Metals-R.G.THOMAS 42 Residual Elements Have Significant Effects on the Elevated-Temper-ature Properties of Austenitic Stainless Steel Welds-D.P.EDMONDS,R.T.KING,AND G.M.GOODWlN 56 Discussion 68 Influence of Small Amounts of Niobium on Mechanical and Corro-sion Properties of Type 304 Stainless Steel-v.K.SIKKA,A.J.MOORHEAD,AND C.R.BRINKMAN 69 Effect of Small Additions of Niobium on the Welding Behavior of an Austenltic Stainless Stecl-A.J.MOORHEAD,V.K.SIKKA,AND R.W.REED 103 Development of Austenitic Stainless Steels with Controlled Residual Nitrogen Content;Application to Nuclear Energy-p.RABBE AND J.HERITIER 123 Discussion 141 Summary 142 Index 145 Copyright by ASTM Intl(all rights reserved);Mon Dec 21 11:55:47 EST 2015Downloaded/printed byUniversity of Washington(University of Washington)pursuant to License Agreement.No further reproductions authorized.STP679-EB/Apr.1979 Introduction In 1967 the American Society for Testing and Materials published ASTM STP 418,Effects of Residual Elements on Properties of Austenitic Stainless Steels.This was followed in 1973 by ASTM STP 522,Elevated Temperature Properties as Infl