ISO 0256622021.docx

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1、INTERNATIONA1.STANDARDISO2566-2editionSecond2021-12Stee1.Conversionofe1.ongationva1.ues一网电朝iticstee1.sAcierConversiondesVa1.eUrSd1.a1.1.on(fement一Partie2:Aciersaustni1.iquesReferencenumberISO256622021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InPSd1.Mc;GeatrOn1.fifiU81.a

2、ndonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsForewordivIntroductionv2 Scope13 Normativereferences1Terms,definitionsandsymbo1.s13.1 Termsanddef1.ations14 32Symbo1.s25 Basicformu1.a26 RfHM那皆b解Ert1.onaIgauge1.engthtoanotherproportiona1.gauge8 联盟搬t悯;脚歌济。褥

3、蜘田懒懒(B*hernon；PrO西田Ona1.-39 gauge1.engthfortestpiecesofdifferentcross-sectiona1.areas.4Conversionfromaproportiona1.gauge1.engthtoanon*proportiona1.gauge1.ength49.1 Genera1.49.2 Conversionfactorsfromtonon-proportiona1.gauge1.ength426UseofFiguresForewordISO(theInternationa1.OrganizationforStandardizat

4、ion)isawor1.dwidefederationofnationa1.standardsttiugh(ISOm11hnhrmbif1.4mi)冏WCekdWPttf1.PbbGgbOdyII1.tf1.nmmMiibtandrt机tfwvhabgngdimitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.

5、ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare。质F福也槛OfISO/IEC心陶曲催名羸曲槐not龄&礴觎解ftR醵卿IM罚FergCCOrdance、Mhthecdito11a1.ru1.esoftheSOIECDire

6、ctives,Part2(seewww.iso.org/dircc1.ivcs).Rionri颜sd战的小脚蝴橱卿SnS/惬趣吸破砌版科州弧端Xr翻他脚hsubjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).Anytradeusedinthisconstitutenameendorsement,documentisinformation

7、givenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan俱feg悯SaSS忠!S窿inwJ憎ft或OnBar池部Udead焦es地ww.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目明能的仍,把”/EuropeanCommitteeforStandardization(CEN)Technica1.Committe

8、eCEN/TC4S9SC1.rTestmethodsforstee1.(otherthanchemica1.ana1.ysis),inaccordanceWiththeAgreementontechnica1.cooperationbetween【SOandCEN(ViennaAgreement).Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO2566-2:1984),ofwhichitconstitutesaminorrevision.Thechangesareasfo1.1.ows: comp1.eteeditoria1.r

9、evision; Tab1.es2to5havebeenrenamedduetoreorderinginordertofo1.1.owthe1.ogica1.f1.owofinformationofthisdocument; CM加舅SihMibftDrestruauredintofoursub-c1.ausesinordertofo1.1.owthe1.ogica1.f1.owofinformationA1.istofa1.1.partsintheISO2566seriescanhefoundontheISOwebsite.AjWiMbf1.比爆他由暗Is1.ftR1.iusthiscahU

10、用He1.Hbe4Sffinationa1.standardsbody.AIntroductionSevera1.differentgauge1.engthsarep11mon1.yinuseforthedeterminationofpercentagee1.ongationofstee1.sintensi1.etesting.Fixedgave1.engthsof50mm,80mm,100mmand200mmareused;proportiona1.gauge1.engthsOfkSoarea1.sousedforf1.atandroundtestpieces,wherekmaybeoneo

11、fanumberofva1.es1i.e.4;5,65;8,16or11,3Theva1.ue5,6S5isadoptedastheinternationa1.1.ypreferredproportiona1.gauge1.ength.Arisingfromthischoiceandtheexistenceofspecificationsstipu1.atingminimumpercentagee1.ongationsondifferentgauge1.engths,agrowingneedhasbeenevidentforanInternationa1.Standardthatcou1.db

12、einc1.uj!aWsftes三4AWYft三sofAt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.ityasstatedinC1.ause1.ISO2021-A1.1.rightsreservedStee1.Conversionofe1.ong

13、ationva1.ues一闻里里piticstee1.s1 ScopeThisdocumentspecifiesamethodofconvertingroomtemperaturepercentagee1.ongationsafterfractureobtainedonvariousproportiona1.andnon-proportiona1.gauge1.engthstoothergauge1.engths.Formu1.a(1),onwhichconversionsarebased,isconsideredtobere1.iab1.ewhenapp1.iedtoausteniticst

14、ain1.essstee1.swithinthetensi1.estrengthrange450to750N/mmzandintheso1.utiontreatedcondition.Theseconversionsarenotapp1.icab1.eto:a) co1.dreducedstee1.s；b) quenchedandtemperedstee1.s;c) non-austeniticstee1.s.,-Theseconversionsarenotapp1.icab1.ewhenthegauge1.engthexceeds25Sorwherethewidthto2t1.1.iFtef

15、fAative钝框超Rdscds20.hereTerms,defiMtibHftra(1.Symbcrtaf1.ocumen1.3.1 TermsanddefinitionsForthepurposesofthisdoment,thefo1.1.owingtermsanddefinitionsapp1.y.ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses：-ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.or

16、g/obpT1.IIECE1.ectropedia:avai1.ab1.eathttpsj/www.1.efopedia.eFg/gauge1.ength1.engthofthepara1.1.e1.portionofthetestpieceusedformeasurementofstrainNote1toentry:Thetermishereafterusedinthisdocumenttodenotetheorigina1.gauge1.ength.1.o1.markedonBidtSstpieceforthedeterminationofpercentagee1.ongationafte

17、rfracture,A.proportiona1.gauge1.engthgauge1.ength(/171)havingaspecifiedre1.ationtothesquarerootofthecross-sectiona1.area,forexamp1.e5,65SdISO2021-A1.1.rightsreserved3.1.3non-propo-tiona1.gauge1.engthgauge1.ength(3.1.1)notspecifica1.1.yre1.atedtothecross-sectiona1.areaofthetestpiece,usua1.1.yexpresse

18、dinagivendimension,forexamp1.e50mm3.2 Symbo1.sAPercentagee1.ongationafterfractureonagauge1.ength,obtainedontestArPercentagee1.ongationonadifferentgauge1.ength,requiredbyconversionDiameteroftestpiece1.oOrigina1.gauge1.engthSoOrigina1.cross-sectiona1.areaoftestpiece4Basicformu1.aThedatacontainedinthis

19、documentarebasedonaformu1.aobtainedfromastatistica1.assessmentofinternationa1.testsu1.tszwhich,inasimp1.ifiedform,canbeexpressedas+enw1.fb():OiH1SO)(1)z,r=1-251.11whereistherequirede1.ongationongaugeIengtJjXo；isthee1.ongationongauge1.engthof565o,S;whereAisthee1.ongationongauge1.engthof4aS.Tab1.es1to

20、21andFigures1to-5arebasedonFormu1.ae(I)and(2.istheorigina1.gauge1.ength;theOrigina1.xross-Sectiona1.areaoftestpiece.(2)Careshou1.dbeexercisedinthecaseofstripunder3mmthickness,astheindexinFormu1.ae(1)and(2)increaseswithdecreasingthickness；theva1.uetobeusedsha1.1.bethesubjectofagreementbetweenthe5c1.1

21、IteqttireM1.et1.tssup1.MierconversionsWRM,varHfit1j视醛神丽由risthea钿设fiftti苏唳树朝旭撕则BC1ey伽累1.龊USeacceptancepurposeson1.ybyagreementbetweenthecustomerandsupp1.ier.insped11cation.dispute,thee1.ongationsha1.1.bedeterminedonthegauge1.engthstatedinthere1.evantTab1.e19E1.ongationva1.ues4on80mm(ter0ipondingtoth

22、oseobtainedon4SogaugeAtu1.HoaMion(%)o4SCMUei，IrnKIh0CorrespondingHonRatIon(%)on80mmaue1.engthitcronseona1.rcaInsquirem1.1.iime(resIs:51020406080100150225050D400SOO600700800900100012001SOO2000250011IZ13115161718192021222324252627WM313233343537390414Z4344454688999101010101010U1111U1111111112IZ129910W1

23、01111H11U111212IZ121212121213131310IO1.O1.1.11111212121212131313131313131414141410111112121Z121313131314M141414141415IS1515111212131313131414MH15IS15ISIS1515IGIG16161212133314141415IS1515161616161616161717171712131414IS1.S1.S1516161616171717111717IH18IH191314MIS1516161617171717IH18W18181919191920141

24、5151616171717181818181919IM19192020202021IS151617171818181919191920202020202121212122IS16171816181919192020202i2121212122222223口1617181819192020202121212222222222Zi23232424171818192020202121UZZ22U23232323242424252518IH1920212121222223N2324242424252$2S2$2626181920212122222323242424252525ZS26262626272

25、7W202122222323242424252526262626272727272262021222323242425252526262727272728282828WW21212223242S2S2626262727H28282829292930303131222324252526262727228W2929W303030313132tt23Z42S262627272822929M303030313131323233U24252627272S2629293030M313131323232333334242S2627282828293030303131323232333333343435242

26、S2628282929303131313232333333343434353536ZS2627282930303132323233333434343S353S36373726272829303131323233333434353S3S363636373BJB2628Z93031323233333434353S3636363737373H393927283031323ZR3434333536%3737M383838394040282930323333343535363637373838393939404041412930313334343S3636373738583939404040414142

27、42293132343435363637383B3939404041414142424344303133343536363738393940W414142424243434445313Z343S363737383940404141424243434344444S4632333436373B3839400414242434344444S454647343537383939404141424343441.4545454646474035)6383934041424243H44454S46464647474049M35373940404142434344454S4646?47474W950Kound

28、cduptothe11wre5tWiWknumberTab1.e21E1.ongationVa1.ueSaon200mmInrKtbPOndingtothoseobtainedon4SogaugeAi1u1.*4nM1.1.nn()114SC4UfTItfMCth0Correspondingc1.onadon(%)on200mmgauge1.engthI1.cross-sec1.ona1.areaInsquarem1.1.1.1.11resIs:S1020406080100ISO2002S0300400SOO600700800900ICCOI200ISOO2OCO2500U1213HI516H

29、IHI92021.2223242526272fi20303t3233343536373839041.42434454678B8999999IOIOiIOIOIO101010111111889991010101010101111I1.1111UI1.I1.121212991010IO1.O1.1.11UU11121212121212IZ121313139IO1.O1.1.11I1.11121212121213131313131313M1414IO1.1.1112121Z121313131313141414141414141415151111121213131313141414H1415ISIS1

30、5151515161611121213131414M14IS1515IS1516161616161617171213131414M15IS1516161616161717171717171818131314IS15ISIS1616161717171717181818181819191314IS15161616171717171018181.19191919192020141515161?P1.718W18181919191919202020202121151516171718181819191920202020202121212122221516171618181919202020202121

31、21212222222Z2323161718181919202020212121222222ZZ22232323242417IR18192020202121222222232323Z323“242425251716192020212t22222223232424242424252526261819202121222223232324242425252$252526262727W2021212222232324242425ZS26262626262727Zf1.2820202122232124242525252626262727272728Z829292021Z2232424242$262626

32、272727282828就W2930M21222324242$25262627272628282929WWJO30303122222425ZS2626272728282B29292930303010313132222324252626272828282929303030313131313232332324ZS26Z7272B2829293030313131323232323333342425262728282829303031313232323233333334343S242526282292930313131323233333336343435353625262728293030313132

33、323333343434353535363726Z7282930303132323333343435353S363637373826Z7293031313233333434353S?63636363737383H3927Z829313132333334343S3636373737冲58393940ZH29303132333334353S363637373H38M39396040412H503132333434353636373738M393959404041414229303233343435363737383H39394040406。414Z42433031323435W3637373838

34、39404040M4141424343H30323335JS36373J8393940414141424242434344453132M35373?W5940404141424243434344444546Ro11dedRt。电Cncorrst*S10UseOfFiguresFigures1to5maybeusedasana1.ternativequickmethodtoobtaine1.ongationconversions.264to4maybeuseniorconversionsbetween5,655oand50mm,5,655oand200mm,45and50mmand4S(Iand200mmgauge1.engths,respective1.y.a)b)EXAMP1.ETofindtheequiva1.ente1.ongationon5r65Soand4Sotoane1.ongationof25%ona200mmgauge1.engthofa2Smmx12,5mmtestpieceofcross-sectiona1.area312,3mm2.Theintersectionofthisordinatewiththeabscissarepresentingane1.ongati