ISO INTERNATIONAL STANDARD 11692 First edition 1994-07-15 Ferritic-pearlitic engineering steels for precipitation hardening from hot-working temperatures Aciers pour construction mécanique de type ferrite-perlite apte au durcissement par précipitation a partir des temperatures de formage a chaud E ISO Reference number ISO11692:1994(E) Copyright Intemational Organization for Standardization d by IHS Not for Resale IS0O11692:1994(E) Foreword ISsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through iso technical committees. Each member body interested in a subject for represented on that committee.International organizations,governmental andnon-governmental,inliaisonwithisO,alsotakepart inthework.isO collaborates closelywiththe International Electrotechnical Commission (IEC)onall mattersof electrotechnical standardization. Draft International Standards adopted by the technical committees are circulatedtothememberbodiesforvoting.PublicationasanInternational a vote. InternationalStandardiSO11692waspreparedbyTechnicalCommittee ISO/TC17,Steel,SubcommitteeSC4,Heattreatableandalloysteels. AnnexAformsan integralpartofthisInternationalStandard.AnnexBis for information only. ISO 1994 All rights reserved.Unless otherwise specified,no part of this publication may be reproduced orutilized in anyform orbyanymeans,electronic ormechanical, including photocopying and microfilm,withoutpermission in writingfromthepublisher. InternationalOrganizationforStandardization CasePostale56·CH-1211Geneve20·Switzerland Printed in Switzerland IHS Not for Resale ISO11692:1994(E) INTERNATIONALSTANDARDISO Ferritic-pearlitic engineering steels for precipitation hardeningfromhot-workingtemperatures 1 Soope ISO 377-2:1989, Selection andpreparation of samples and testpiecesofwroughtsteels-Part2:Samples for the determination of the chemical composition. 1.1 This International Standard specifies the techni- cal delivery requirements for billets and bars made of ISO404:1992,Steel and steelproductsGeneral the alloyed steels listed in tables 3 and 5. The steel technicaldelrveryrequirements. composition requirements and are intended for hot ISO1035-1:1980,Hot-rolled steelbars-Part1:Dj- forging. The steel grades listed in table5 are charac- mensions ofroundbars. terized by tensile requirements and are intended for ISO1035-3:1980,Hot-rolled steelbars-Part3:Di- machining. The products are supplied in the heat- treatment conditions given in table 1, lines 2 to 4, and mensions of flet bars. in one of the surface conditions given in table 2. ISO1035-4:1982,Hot-rolled steel barsPart 4:Tal- erances. 1.2 In special cases, variations in these technical delivery requirements or additions to them may form ISO4948-1:1982.SteelsClassification- Part 1: Classification of steels into unalloyed and alloy steels and order (see annex A). basedonchemical composition. ISO/TR4949:1989,Steelnamesbasedonlettersym 1.3 In addition to this International Standard, the bols. general technical delivery requirements ot ISO 404 are applicable. ISO6506:1981,Metalic materials -Hardnesstest -Brinell test. ISO6892:1984,Metallicmatorials -Toneile tosting. 2 Normativereferences The following standards contain provisions which, ISO 6929:1987,Steel products Definitions and through reference in this text, constitute provisions classification. uf this lntematiunal Gtarrdard. At the time of publi- ISO9443:1991,Heat-treatable and alloysteels cation, the editions indicated were valid. All standards Surface quality classes for hot-rolled round bars and are subjcot to rovicion, and partiee to agreemente wire rods--Technical delivery conditions. based on this International Standard are encouraged to investigate the possibility of applying the most re- ISO/TR9769:1991,Steeland ron—Heview ofavai- cent editions of the standards indicated below. able methods of analysis.