ISO 03739-2-2021.docx
INTERNATIONA1.STANDARDISO3739-2editionSeCOnd202107Industria1.tyresandrims一P密岬atictyres(metricseries)on5degreestaperedorf1.atbaserims一1.oadratingsPneumatiquesetJantesindustrie1.spourmaterie1.demanuten1.ion一Partie2:Pncumatiques(SGriemi1.1.im6trique)monthssurjantesconiquesa5degresouabasep1.ateCapacitesdechargeReferencenumberISO373922021(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2021岫rkdea/山thUcdOthcnviscjft<c三orrtmcehDVBiwixuioiti08phnn11UatiocBhr<1.>hotoc<>p)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone:M1.22749O1.11Pub1.ishedinSwitzerhndContentsPageforewordScopeNormativereferencesTermsanddcf1.nitionsReference1.oad-carryingcapacity1.oadratings5.1 Genera1.5.2 Reference1.oad6Inf1.ationpressures3ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMd>niK盟committeehasbeenestab1.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。智SFR½幽of1.SOIEC(M1.槐notrttH邻MMfergCCOrdanCe酚Fhtheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂出1n嬲脚Snsi嘏神卿械飒曲doc三棉翩山碰.subjectofanypatentrightsidentifiedduringthedeve1.opmerUW4ie÷wmwVw1.1.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴蜘明瓶ationc。的福P奥央融Mthe可般IIi潴称小牖ticn南版淮IS1.华哂瞬聊礴isoforeword.htn1.站用帕曲坦制byTechnica1.CommitteeISO/TC31,Tyres,rimsandva1.ves.SubcommitteeThissecondeditioncance1.sandrep1.acesthefirstedition(ISO3739-2:1992),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreriouseditionareasfo1.1.ows:addedrimdiametercodes1.argerthan15.A1.istofa1.1.partsintheISO3739seriescanbefoundontheISOwebsite.世用电眩&四fi«hsUW1.ics1.h1.scah8X切RRwto÷embe三nationa1.standardsbody.AIndustria1.tyresandrims一Pneumatictyres(metricseries)on5degreestaperedorf1.atbaserims1.oadratings1 Scopeindustria1.vehic1.esforuseonpreparedsurfaces.2 Normativereferencesconstitutesrequirements1.atesteditiondocument.referencedreferences,(inc1.udingamendments)app1.ies.app1.ies.baserims-Designation,dimensionsandmarkingISOTermsndustrdefinitionsVrocuf1.f>,Part1:TypesOfindustria1.rucksForthepurposesofthisdoament,thetermsanddeRnitionsgiveninISO4223-1andISO5053-1app1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:WWW.iso.org/ObP4Reference1.oad-carryingcapacitytyre.corre1.ationbetween1.oadindexandtyre1.oad-carryingcapacitysha1.1.conformconstructiona1.characteristics)sha1.1.bebasedonreferenceinf1.ationpressuresof550kPa,675kPa,Part2:Thisdocumentspecifiesthe1.oadratingsofthemetricseriesofpneumatictyresprimari1.yintendedforISO3739-1dea1.swithdesignation,dimensionsandmarking;ISO3739-3dea1.swithrimcontoursforthesetyres.Thefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.ytheanyeditioncitedISO3739-1,Industria1.tyresandrims-Part1:Pneumatictyres(metricseries)on5degreestaperedorf1.atISO4223-1,Definitionsofsometermsusedinthetyreindustry-Part1:Pneumatictyres350531.,trucksISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.1.owingaddresses:IECE1.eccropedia:avai1.ab1.eathttp:/www.e1.ectiopedia.org/The100%reference1.oad-carryingcapacityisthe1.oadConespondingtothe1.oadindexmarkedonthetoISOThe37391.Reference1.oad-carryingcapacitiesofsevera1.versionsofthesametyresize(samedimensiona1.and825kPaand1000kPa.51.oadratings5.1 Genera1.speedcapabi1.ityandtyresfromas24givendiameterTab1.etoandTab1.ediametertyresupPermissib1.ediameterTab1.e1Tyre1.oadcapacityratingsforA5tyresupto20riindiametercodeoncounterba1.anced1.ifttrucksupto35km/hupto25km/hTab1.e2130Tyre1.oadcapacityratingsforAStyresupto20rimdiametercodeonside%1.oac1.ersSpeedcapabi1.ityofside1.oader:JTab1.e3Tyre1.oadcapacityratingsforA5t)rres%upto20rimdiametercode92.5othervehic1.esSpeedcapabi1.ityofothervehic1.es:ITab1.e4Tyre1.oadcapacityratingsforAS1.OOtyresfrom24rirndiametercodeup8433rimdiametercodeApp1.icationMaximumspeedMaximumtyre1.oadcapacitykm/h(%ofthereference1.oad)No'nterPo1.at1.onauthon犍在哪鼎阳嘟Efttff1.terba1.anced1