ISO INTERNATIONAL STANDARD 4885 Third edition 2018-02 FerrousmaterialsHeattreatments -Vocabulary Materiauxferreux-Traitementsthermiques-Vocabulaire Referencenumber IS04885:2018(E) ISO ISO2018 IS04885:2018(E) Contents Page Foreword .iv 1 Scope .1 2 Normativereferences .1 3 Terms and definitions .1 AnnexA(informative)Equivalentterms .31 Bibliography .41 IS0 2018 -All rights reserved ili IS04885:2018(E) Foreword Iso (theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandards 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 which a technical committeehas been established has theright tobe represented on that committee.International organizations,governmental andnon-governmental, inliaisonwithIso,alsotakepart inthework. ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmatters of electrotechnicalstandardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1.In particular the different approval criteria neededfor the differenttypes of Iso documents shouldbenoted.Thisdocument was drafted in accordancewith the editorialrulesoftheISo/IEcDirectives,Part2 (seewww.iso.org/directives). Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectof patent rights.Iso shall not be held responsible for identifying any or all suchpatent rights. Details of anypatent rights identified during the development of thedocument will be in the Introductionand/or ontheisolistofpatentdeclarationsreceived (seewww.iso.org/patents). Any trade name used in this document is informationgivenfor the convenience of users and does not constituteanendorsement. For an explanation on thevoluntarynatureof standards,themeaningof Isospecificterms and expressions related to conformity assessment,as well as information about Iso's adherencetothe World Trade Organization (WTO)principles in theTechnical Barriers to Trade (TBT) see thefollowing URL:www.iso.org/iso/foreword.html. ThisdocumentwaspreparedbyTechnicalCommitteeISo/TC17,Steel. This third edition cancels and replaces the second edition (IS0 4885:2017),of which it constitutes a minorrevisionwithacorrectedEigure1d) iv IS0 2018-All rights reserved