1、BSENISO5821:2025ResistanceweldingSpotweldingelectrodesFemaleelectrodecapsbsi.NationalforewordThisBritishStandardistheUKimplementationofENISO5821:2025.ItisidenticaltoISO5821:2025.ItsupersedesBSENISO5821:2009,whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeWEE/29,Res
2、istancewelding.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.ContractualandlegalconsiderationsThispublicationhasbeenpreparedingoodfaith,howevernorepresentation,warranty,assuranceorundertaking(expressorimplied)isorwillbemade,andnoresponsibilityorliabilityis
3、orwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessorreasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.Thispublicationisprovidedasis,andistobeusedattherecipientsownrisk.Therecipientisadvisedtoconsiderseekingpro
4、fessionalguidancewithrespecttoitsuseofthispublication.Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.TheBritishStandardsInstitution2025PublishedbyBSIStandardsLimited2025ISBN9780539259759ICS25.160.30CompliancewithaBritishStandardcannotconferimmunityfroml
5、egalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2025.Amendments/corrigendaissuedsincepublicationDateTextaffectedEUROPEANSTANDARDNORMEEUROPEENNEEuropaischenormICS25.160.30ENISO5821June2025SupersedesENISO5821:2009EnglishVersionResistancew
6、elding-Spotweldingelectrodes-Femaleelectrodecaps(ISO5821:2025)Soudageparresistance-ElectrodespoursoudageparWiderstandsschweiEen-PunktschweiE-Elektroden-points-Emboutsamoviblesfemeliesd,electrodes(ISOElektronenkappenmitInnenkegel(ISO5821:2025)5821:2025)ThisEuropeanStandardwasapprovedbyCENon13June2025
7、CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentr
8、eortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandards
9、bodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Tiirkiyean
10、dUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.BSENISO5821:2025ENISO5821:2025(E)Europeanf
11、orewordThisdocument(ENISO5821:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC44WeldingandalliedprocessesincollaborationwithTechnicalCommitteeCEN/TC121nWeldingandalliedprocessesthesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenti
12、caltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Thisdocumentsu
13、persedesENISO5821:2009.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusers/nationalstandardsbody/nationalcommittee.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimpleme
14、ntthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzer
15、land,TiirkiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO5821:2025hasbeenapprovedbyCENasENISO5821:2025withoutanymodification.ContentsPageForewordiv1 Scope12 Normativereferences13 Termsanddefinitions14 Dimensionsandtolerances15 Material56 Designation57 Labellingandmarking67.1 Labelling67.2 Marki
16、ng6Annex A (informative)Alternativetypesanddimensionsoffemaleelectrodecaps7Annex B (informative)Comparisonofelectrodetipshapenamesusedinworldwide10Bibliography11ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).Theworkofprepar
17、ingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcol
18、laboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypeso
19、fISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(Seewww.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityo
20、fanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.However,implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/pate
21、nts.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,asw
22、ellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTO)principlesintheTechnicalBarrierstoTrade(TBT),SeeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC44,Weldingandalliedprocesses,SubcommitteeSC6,Resistanceweldingandalliedmechanicaljoining,incollaborationwith
23、theEuropeanCommitteeforStandardization(CEN)TechnicalCommitteeCEN/TC12LWeldingandalliedprocesses,inaccordancewiththeAgreementontechnicalcooperationbetweenISOandCEN(ViennaAgreement).Thisthirdeditioncancelsandreplacesthesecondedition(ISO5821:2009),whichhasbeentechnicallyrevised.Themainchangesareasfollo
24、ws: CIaUSe4,TableS1and2.revised,andTables2and3renumbered; ClaUSe6,examplesupdatedtonewvaluesinTableS1and2moreexamplesaddedforclarification; ClaUSe7,labellingonthepackages,andmarkingoneachelectrodecapsurface; FigUrlLupdateddrawingswithcorrectproportions; FigUrl2,addedtoknowthevarietyofthewater-coolin
25、gholebottomprofiles; AnneXA,revisedandmadeinformative; AnneXB,addedtoshowthecomparativetableofelectrodetipshapenamesinsomecountries.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefoundatwww.iso.orq/members.htmLOfficialinterpretat
26、ionsofISO/TC44documents,wheretheyexist,areavailablefromthispage:https:Ce)mmittue.iso.org/SiteStc44homeinterpretation.htmLResistanceweldingSpotweldingelectrodesFemaleelectrodecaps1 ScopeThisdocumentspecifiesthedimensionsandtolerancesoffemaleelectrodecapsforresistancespotweldingofmetallicmaterials.Tap
27、erdimensionsandtolerancesoftheelectrodecapsfollowthevaluesspecifiedinISO1089.NOTEElectrodecapswithlockingtapersareaddressedinISO20168.MaleelectrodecapsarespecifiedinISO5830.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsoft
28、hisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO1089,ResistanceweldingequipmentElectrodetaperfitsforspotweldingequipmentDimensionsISO5182,ResistanceweldingMaterialsforelectrodesandancillaryequipm
29、entISO17677-1,ResistanceweldingVocabularyPart1:Spot,projectionandseamwelding3 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO17677-1apply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses: ISOOnlinebrowsingplatform:availableathttps:W
30、WW.iso.orgobp IECElectropedia:availableathttps:WWW.electroPediaQrg4DimensionsandtolerancesThedimensionsshallbeasgiveninTabIe1andFigUre1fortaper1:10.ISO1089shallbeusedtoprovidethetaperdimensionsandtolerances.TolerancesotherthantaperfitsshallbeasgiveninTabIr2.AnneXAaddressesalternativetypesanddimensio
31、nsoffemaleelectrodecaps.AnneXBshowsthevariousnamesusedforelectrodesindifferentcountries.Toenlargetheapplicationpotentialofthisdocument,commonvariationsofthebasetypesarespecifiedinTabIe1.ISO2025-AllrightsreservedTable1Dimensionsfortaper1:10(preferredvaluesareprintedinbold-face)Dimensionsinmillimetres
32、Typedih，2eRlaOAO13一一一18,021,024,08,5一一3065100一一一一16一一20,023,025,010,5一一4070100一一一一20一一一22,025,028,012,0一一5075100一一一一BO135,06,07,018,021,024,08,5一一30flat一一3045一166,07,08,020,023,025,010,5一一40flat50一3045一208,09,010,022,025,028,012,0一50flat75一3045一CO13一一一18,021,024,08,5一16一一20,023,025,010,5一20一一一22,025
33、028,012,0一DO135,0一一18,021,024,08,53,032flat一5,0304560166,0一一20,023,025,010,5一4,040flat一6,0304560208,0一一22,025,028,012,0一5,050flat一8,0304560Dl135,0一一18,021,024,08,5一4,0一一一一304560166,0一20,023,025,010,5一5,0一一一一304560208,0一一22,025,028,012,0一6,0一一一一304560EO13一一18,021,024,08,5-a5一一一20一一16一一一20,023,025,01
34、0,5-a一6一一一20一一20一一22,025,028,012,0-a一8一一一20一一FO13一一一18,021,024,08,5一一6,5一一一一一一16一一一20,023,025,010,5一一8一一一一一一20一一一22,025,028,012,0一一10一一一一一一Fl135,05,56,018,021,024,08,5一5063flat6,5一一一165,56,08,020,023,025,010,5一5080flat8,0一一一206,07,08,022,025,028,012,0一一50100flat10,0一一一GO135,0一一18,021,024,08,510,532一
35、flat5,0一15o20一166,0一一20,023,025,010,512,0一40一flat6,01517一208,022,025,028,012,010,050flat8,022,520NOTE1SeeFigUre1forsymbolkey.NOTE2Fortolerancesondimensions,seeTable2.ThetaperdimensionsandthetolerancesshouldfollowthevaluesspecifiedinISO1089.aValues3forTypeEOisresultingotherdimensionsd1,1etc.Twoadditi
36、onallengths,11,areofferedtoallowoptimizedlifetimesofthecapsusingtipdressers.d2andR1allowoptionstoadaptthecontactareastodifferentelectrodeindentationsandnuggetsizes.Roughestimatedvaluesofthemaximumelectrodeforce,Fe,givenfordiameterd1ofTable1areshowninTable3.Themaximumvaluevariesdependingtothehardness
37、ofmaterialsusedfortheelectrodecaps.SeeISO5182tofindthehardnessvalues.Table2TolerancesondimensionsDimensionTolerancedi0,15mm0,2mmh0,5mmhSeeISO10890,5mmRlR130mm0,5mmR130mm2,0mmR20,5mmaloC0,02mmKeyccircularitySeeFigUre1forsymbolkeys.Table3Maximumelectrodeforce,Fe,givenfordiameterdlftaper1:10(forinforma
38、tiononly)dimmElectrodeforceFEHardness150HVkNElectrodeforceHardness150HVkN132,53,5164,05,5206,37,5b)TypeBOa)TypeAOc)TypeCOd)TypeDOg)TypeFOKeyd1outerdiameter(Ofelectrodecap)d2electrodeworkingfacediametereeccentricityI1nominallengthofelectrodecap2nominalholedepthoftaperfitpart23lengthofpointedportionR1
39、radius1R2radius2aangleoftheoutertapei)TypeGOFigure1FemaleelectrodecapsConcretebottomprofilesofthewater-coolingholeareillustratedinFigure2twhichcanbemodifiedbythemanufacturers.Thebottomprofilesofwater-coolingholeincludingthetotalholedepthLcanbedecidedbythesuppliers/manufacturers,orbyanagreementbetwee
40、nthecontractparties.d)Key2nominalholedepthoftaperfitpart4totalholedepthNOTEForthecasesofa),b)andc),4=2.4shouldbelimitedtoavoidtheelectrodetipcollapse.Figure2SomeexamplesofthebottomprofileinwatercoolingholesThecoolingefficiencyofelectrodesvariesdependingonthebottomprofileinadditiontothecoolingwaterfl
41、owrateandtippositionofcoolingpipeinthehole.Theextensionofwaterholesbeyondthetaperfitpart(depth2)canbehelpfultoimprovethewater-coolingefficiencywhenusinglongerlengthI1capsthantheboldfontdimensionvalues.5 MaterialMaterialsinaccordancewithISO5182shallbeused.6 DesignationDesignationoftheelectrodecapssho
42、uldbeprovidedasthefollowingsequence;i.e.nISO5821followsby“Typename/”,“/Ja”,and“eofTablel.Whenneeded/“andttl3,rshouldbeattheendofthedesignation.Theindicationisfromlefttoright,stringedtogether,andskippingnon-validentries.Eachentryisseparatedbyahyphen(一).Ifsomeitemsfollowedthelastitemarenotapplicablefo
43、rtheelectrodecap,thedescription(三)canbeomitted.Whenthelength,/JSiSapplicableasthedesignation,thevaluecanbeaddedwithbrackets,like”(7.5)”.Thelocationisthelastportionofthedesignation.EXAMPLESa) AspotweldingelectrodecaptypeAO1withd1=20mm,lengthI1=22mm,R=50mm(d2andaarenotapplicable),isdesignatedasfollows
44、ISO5821-AO-20-22-50b) AspotweldingelectrodecaptypeB0iwithdf16mm,length/=l20mm,R=-Omm,dmmanda=30,isdesignatedasfollows:ISO5821-BO-16-20-40-8-30C)AspotweldingelectrodecaptypeC0xwithd13mm7length/=翼mm(R,dndzaarenotapplicable),isdesignatedasfollows:ISO5821-CO-13-18d) AspotweldingelectrodecaptypeDO,withd1=16mm,lengthI1=20mm,Rjflat,d亍Qmm,a=60ande=4mm,isdesignatedasfollowsISO5821-DO-16-20-flat-6-60-4e) AspotweldingelectrodecaptypeGO7withd16mm,length/=25mm.R二斗0mm,d=62mmandlength3=12mm,isdesignatedasfollows:ISO5821-GO-16-25-40-6-(12)7Labellingandmarking7.1 LabellingWhenindicatingtheproductdesign
