ISO 02566-1-2021.docx

INTERNATIONA1.STANDARDISO2566-1editionThird2021-12Stee1.Conversionofe1.ongationva1.ues一f闻nand1.ow-a1.1.oystee1.sAcierConversiondesVa1.eUrSd1.a1.1.on(fement一Par1.ie1:AciersaucarboneetQCierSfaib1.ementa1.1.iesReferencenumberISO2566-1:2021(E)©ISO2021COPYRIGHTPROTECTEDDOCUMENT©ISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.or啪UIBndttaeDmk<nroni(ncm11ni10tf1.*Mqn1.C6pW11opypMRHt1.onmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountryoftherequester.f),WV>fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsForewordivIntroductionv2 Scope13 Normativereferences1Terms,definitionsandsymbo1.s13.1 Termsanddefinitions14 32Symbo1.s.25 Basicformu1.a26 gauge1.engthtoanotherproportiona1.gauge'¾rsionfromonenonproportiona1.gauge1.engthtoanothernon-proportid1.a1.魁战F妮京栩.群外麻济弗1翻制歼漩f搬郴的用O1.hernOMPrO和田加a1.gauge1.engthfortestpiecesofdifferentcross-sectiona1.areas.Conversionfromaproportiona1.gauge1.engthtoanon-proportiona1.gauge1.engthGenera1.Conversionfactorsfromtonon-proportiona1.gauge1.ength2633UseofFiguresBib1.iographyForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOtnnfmkaibif1.i>n11冏wcekuWPttf1.pbBcgbody5tf1.r三dtiJMii6tandrik.f(nowhb(arediacommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare。质限岫1搬Of1.SO/IEC出陶曲俺辆1.b槐3龄&用战螂能M蝌陶曲er%srdance&Fhthecdito11a1.ru1.esoftheISO/IECDirectives,Part2(seewww.so.rgdruc1.ivcs).Rionri颜sd隘丽n隔嗯解8股ns冲¥神出飘游做热贤忖doc1.三r如nQ银信.subjectofanypatentrightsidentifiedduringthedeve1.opmerUW4io÷uwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan俱feg悯SaSS忠!S窿inwJ憎ft或OnBar池部Udead焦¾es地w¼w.isO.orgiso/foreword.htm1唧柳icaMo/帔吩Va脚痛叫SampF闹懈幕曲痴曲述明JCIa防助。JM98H口明他的仍,把”/EuropeanCommitteeforStandardization(CEN)Technica1.CommitteeCEN/TC4S9SC1.rTestmethodsforstee1.(otherthanchemica1.ana1.ysis),inaccordanceWiththeAgreementontechnica1.cooperationbetween【SOandCEN(ViennaAgreement).Thisthirdeditioncance1.sandrep1.acesthesecondedition(ISO2566-1:1984),ofwhichitconstitutesaminorrevision.Thechangesareasfo1.1.ows: comp1.eteeditoria1.revision; Tab1.es2to5havebeenrenamedduetoreorderinginordertofo1.1.owthe1.ogica1.f1.owOfinformationofthisdocument; CMt拓"SihMibftDrestruauredintofoursub-c1.ausesinordertofo1.1.owthe1.ogica1.f1.owofinformationA1.istofa1.1.partsintheISO2566seriescanhefoundontheISOwebsite.AjWiMbf1.比爆他由暗Is1.ftR1.iusthiscahU用He1.Hbe4Sffinationa1.standardsbody.AIntroductionSevera1.differentgauge1.engthsarep11mon1.yinuseforthedeterminationofpercentagee1.ongationofstee1.sintensi1.etesting.Fixedgave1.engthsof50mm,80mm,100mmand200mmareused;proportiona1.gauge1.engthsOfkSoarea1.sousedforf1.atandroundtestpieces,wherekmaybeoneofanumberofva1.es1i.e.4;5,65;8,16or11,3Theva1.ue5,6S5<isadoptedastheinternationa1.1.ypreferredproportiona1.gauge1.ength.Arisingfromthischoiceandtheexistenceofspecificationsstipu1.atingminimumpercentagee1.ongationsondifferentgauge1.engths,agrowingneedhasbeenevidentforanInternationa1.Standardthatcou1.dbeinc1.uj!aWsftes三4AWYft三sof<At卵田H&8掰加8福魄1./mmoniy三1.umentgauge1.engthsande1.ongationva1.ues,andfigureswhichmaya1.sobeusedforsuchconversions.Whenusingtheseconversions,however,noteshou1.dbetakenofthe1.imitationsontheirapp1.icabi1.ity,asstatedinC1.ause1.©ISO2021-A1.1.rightsreservedStee1.Conversionofe1.ongationva1.ues一fWF闻nand1.ow-a1.1.oystee1.s1 ScopeThisdocumentspecifiesamethodofconvertingroomtemperaturepercentagee1.ongationsafterfractureobtainedonvariousproportiona1.andnon-proportiona1.gauge1.engthstoothergauge1.engths.Formu1.a(1),onwhichconversionsarebasedrisconsideredtobere1.iab1.ewhenapp1.iedtocarbon,carbonmanganese,mo1.ybdenumandchromiummo1.ybdenumstee1.swithinthetensi1.estrengthrange90()UffiWth7>Ving.Nmm2andinthehot-ro1.1.ed,hot-ro1.1.edandnorma1.izedorannea1.edconditions,withTheseconversionsarenotapp1.icab1.eto:a) co1.dreducedstee1.s;b) quenchedandtemperedstee1.s;c) austeniticstee1.s.q-Theseconversionsarenotapp1.icab1.ewhenthegauge1.engthexceeds25Sqorwherethewidthto2thfcfativeH<ceeds20.¾ereTerms,de,nMHbrt1.ahtfSyrhbcrtSaocunie