1、ISOInternationalStandardISO5002Fifthedition2025-05Hot-rolledandcold-reducedelectrolyticzinc-coatedcarbonsteelsheetofcommercialanddrawingqualitiesTdIesenacieraucarboneIamineesachaudetafroid,revetuesparzingageelectrolytique(tleselectro-zinguees)dequaliteCommercialeetpouremboutissageReferencenumberISO5
2、002:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutprio
3、rwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+4122749Ol11Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordv1 Scope12 Normativere
4、ferences13 Termsanddefinitions14 Dimensions25 Conditionsofmanufacture35.1 Steelmaking35.2 Chemicalcomposition35.3 Chemicalanalysis35.3.1 Heatanalysis35.3.2 Productanalysis45.4 Coating45.4.1 Coatingthickness45.4.2 Coatingadherence45.5 Fabricationqualities55.6 Weldability55.7 Application55.8 Mechanica
5、lproperties55.9 Strainageing75.10 Surfacetreatment85.10.1 General85.10.2 Surfacepreparationforpainting85.10.3 Millpassivation85.11 Oiling85.12 Painting86 Dimensionalandshapetolerances87 Sampling97.1 Tensiletest97.2 Coatingtests97.2.1 Coatingmass97.2.2 Coatingadherence98 Testmethods98.1 Tensiletest98
6、2 Coatingtests98.2.1 Coatingmass98.2.2 Coatingadherence109 Designationsystem109.1 General109.2 Base-metalqualitydesignation109.3 Coatingdesignation109.4 Surfacetreatment109.5 Examples1010 Retests1111 Resubmission1112 Workmanship1113 Inspectionandacceptance1114 Coilsize1215 Marking1216 Informationto
7、besuppliedbythepurchaser2AnnexA(normative)Ordersrequiringbase-metalthickness14Bibliography15ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommi
8、ttees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)on
9、allmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.Thisdocumentwasdraftedinaccordancewiththeed
10、itorialrulesoftheISO/IECDirectives,Part2(SeeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthi
11、sdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.However,implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentright
12、s.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTO)pri
13、nciplesintheTechnicalBarrierstoTrade(TBT),SeeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC17,Steel,SubcommitteeSC12,Continuousmillflatrolledproducts.Thisfiftheditioncancelsandreplacesthefourthedition(ISO5002:2013),whichhasbeentechnicallyrevised.Themainchangesareasfol
14、lows: theScopehasbeenmodifiedtoonlyincluderelevanttext; thetermsanddefinitionshavebeenupdated; theformerClause15DesignationhasbeenreplacedwithanewCIaUSe9Designationsystem;subsequentclauseshavebeenrenumbered.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acomplete
15、listingofthesebodiescanbefoundatWWW.iso.orgmembers.htmLHot-rolledandcold-reducedelectrolyticzinc-coatedcarbonsteelsheetofcommercialanddrawingqualities1 ScopeThisdocumentspecifiestherequirementsforhot-rolledandcold-reducedelectrolyticzinc-coatedcarbonsteelsheetofcommercialanddrawingqualities.Theprodu
16、ctisintendedforthemanufactureofformedorofmiscellaneousparts,andcanbesuppliedchemicallytreatedtorenderitmoresuitableforpainting.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditionc
17、itedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO6892-LMetallicmaterialsTensiletestingPart1:MethodoftestatroomtemperatureISO7438,MetallicmaterialsBendtestISO16160,Hot-rolledsteelsheetproductsDimensionalandshapetolerancesISO16162,Cold-rolledst
18、eelsheetproductsDimensionalandshapetolerances3 TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses: ISOOnlinebrowsingplatform:availableathttps:WWW.iso.org/obp IECElectropedia:avail
19、ableathttps:WWW.electropudia.org/1.1electrolyticzinc-coatedcarbonsteelsheetproductobtainedbyelectrolyticdepositionofazinccoatingoncarbonsteelsheetonazinccoatinglinetoproduceeitherelectrolyticzinc-coatedcoilsorelectrolyticzinc-coatedcutlengths1.2commercialbase-metalqualityintendedforgeneralfabricatin
20、gpurposeswheresheetisusedintheflatcondition,orforbendingormoderateforming1.3drawingbase-metalqualityintendedforpartswheredrawingorsevereformingmaybeinvolved1.4deepdrawingbase-metalqualityintendedforpartswheresevereformingorseveredrawingmaybeinvolved1.5deepdrawingaluminiumkilledbase-metalqualityinten
21、dedforfabricatingpartswhereparticularlyseveredrawingorformingmaybeinvolved1.6extra-deepdrawingbase-metalqualityintendedforapplicationswheremaximumformabilityisrequiredbyapplyinginterstitial-freesteel1.7interstitial-freesteelIFsteelextra-low-carbonsteelinwhichallinterstitialelementsarestabilizedwitht
22、itaniumand/orequivalentelementsNote1toentry:Interstitial-freesteelissometimesreferredtoasstabilizedsteel.1.8breakageallowanceagreeduponlevelofacceptablediebreakagenotsubjecttoclaim1.9skinpassinglightcold-rollingoftheproductNote1toentry:Thepurposeoftheskinpassingisoneormoreofthefollowing:tominimizeth
23、eappearanceofcoilbreaks,stretcherstrainsandfluting;andtocontroltheshape;andtoobtaintherequiredsurfacefinish.Note2toentry:Someincreaseinhardnessandsomelossinductilitywillresultfromskinpassing.3.10lotspecifiedquantityofsteelsheetofthesamedesignationrolledtothesamethicknessandcoatingcondition3.11differ
24、entialcoatingcoatingdeliberatelyproducedtohaveadifferentcoatingmassoneachsurface3.12coatingmasstotalamountofcoatingonbothsidesofthesheet,expressedingramspersquaremetre(gm2)ofsheet4 Dimensions4.1 Electrolyticzinc-coatedcarbonsteelsheetisproducedinthicknessesfrom0,36mmto4,0mminclusiveaftercoating,andi
25、nwidthsof600mmandoverincoilsandcutlengths.Materialsthinnerthan0,36mmorthickerthan4,0mmmaybeappliedforelectrolyticzinccoatingbyagreementbetweenthepurchaserandthemanufacturer.Electrolyticzinc-coatedcarbonsteelsheetlessthan600mmwide,slitfromwidesheetlisconsideredassheet.4.2 Thethicknessofelectrolyticzi
26、nc-coatedcarbonsteelsheetmaybespecifiedasacombinationofthebase-metalandmetalliccoating,orasthebase-metalalone.Thepurchasershallindicateontheorderwhichmethodofspecifyingthicknessisrequired.Intheeventthatthepurchaserdoesnotindicateanypreference,thethicknessasacombinationofthebase-metalandcoatingwillbe
27、provided.AmleXAdescribestherequirementsforspecifyingthethicknessasbase-metalalone.5 Conditionsofmanufacture5.1 SteelmakingTheprocessesusedinmakingthesteelandinmanufacturinghot-rolledandcold-reducedelectrolyticzinc-coatedcarbonsteelsheetarelefttothediscretionofthemanufacturer.Onrequest,thepurchasersh
28、allbeinformedofthesteelmakingprocessbeingused.5.2 ChemicalcompositionThechemicalcomposition(heatanalysis)shallconformtotherequirementsgiveninTables1,2and3.Table1-Chemicalcomposition(heatanalysis)forhot-rolledelectrolyticzinc-coatedcarbonsteelsheetMassfractionsinpercentBase-metalqualityCmax.Mnmax.Pma
29、x.Smax.DesignationNameHRlcommercial0,120,600,0450,035HR2drawing0,100,450,0350,035HR3deepdrawing0,080,400,0300,030HR4deepdrawingaluminiumkilled0,080,350,0250,030Table2Chemicalcomposition(heatanalysis)forcold-reducedelectrolyticzinc-coatedcarbonsteelsheetMassfractionsinpercentBase-metalqualityCmax.Mnm
30、ax.Pmax.Smax.Tiamax.DesignationNameCRlcommercial0,150,600,0500,035一CR2drawingc0,100,500,0400,035CR3deepdrawingc0,080,450,0300,03CR4deepdrawingaluminiumkilledc(non-ageing)0,060,450,0300,03CR5Extra-deepdrawingb(stabilizedinterstitialfree)0,020,250,0200,020,15aTitaniummaybereplacedtotallyorpartiallybyn
31、iobiumorvanadium.Carbonandnitrogenshallbecompletelystabilized.bByagreement,themanganese,phosphorus,andsulfurmaximumsmaybeadjusted.CIfIFsteelisappliedtoCR2,CR3andCR4orders,thevaluesof0,15%maximumtitaniumand0,10%maximumniobiumandvanadiumareacceptabletoensurethatcarbonandnitrogenarefullystabilized.5.3
32、Chemicalanalysis5.3.1 HeatanalysisAnanalysisofeachheatshallbemadebythemanufacturerinordertodeterminecompliancewiththerequirementsgiveninTableSL2and3.Onrequest,areportoftheheatanalysisshallbemadeavailabletothepurchaserorthepurchasersrepresentative.EachoftheelementslistedinTableS1and2shallbeincludedin
33、thereportoftheheatanalysis.IfoneormoreoftheelementsinTable3is/arespecified,theanalysisshallbereported.5.3.2 ProductanalysisAproductanalysismaybemadebythepurchaserinordertoverifythespecifiedanalysisofthesemifinishedorfinishedSteeLandshalltakeintoconsiderationanynormalheterogeneity.Thesamplingmethodan
34、ddeviationlimitsshallbeagreeduponbetweenthemanufacturerandthepurchaseratthetimeofordering.TheproductanalysistolerancesshallbeinaccordancewithTable3andTable4.Table3LimitsonadditionalchemicalelementsMassfractionsinpercentElementHeatanalysismax.Productanalysismax.Cua0,200,23Nia0,200,23Cra,b0,150,19Moa,
35、b0,060,07Nbad0,0080,018Vc,d0,0080,018TiC,d0,0080,018aThesumofcopper,nickel,chromium,andmolybdenumshallnotexceed0,50%onheatanalysis.Whenoneormoreoftheseelementsarespecified,thesumdoesnotapply;inwhichcase,onlytheindividuallimitsontheremainingelementsapply.bThesumofchromiumandmolybdenumshallnotexceed0,
36、16%onheatanalysis.Whenoneormoreoftheseelementsarespecified,thesumdoesnotapply;inwhichcase,onlytheindividuallimitsontheremainingelementsapply.CHeatanalysisgreaterthan0,008%maybesuppliedafteragreementbetweenthepurchaserandthemanufacturer.dForIFsteelonly,thevaluesof0,15%maximumtitaniumand0,10%maximumfo
37、rniobiumandvanadiumareacceptabletoensurethatcarbonandnitrogenarefullystabilized.Table4ProductanalysistolerancesforTable4andTabIe2MassfractionsinpercentElementMaximumofspecifiedelementToleranceovermaximumspecifiedC0,150,03Mn0,600,03P0,050,01S0,0350,01Ti0,150,01NOTETheabovemaximumtoleranceistheallowab
38、leexcessovertherequirementofheatanalysisshowninTable1andTabIe2.5.4 Coating5.4.1 CoatingthicknessTheamountofcoatingisexpressedinmicrometresofthicknesspersurfaceofsheetandshallconformtotherequirementsofminimumthicknessgiveninTabIe5.5.4.2 CoatingadherenceThezinc-coatedsheetshallbecapableofbeingbentinan
39、ydirection,inaccordancewiththemandreldiameterrequirementsforthebase-metalqualitydesignationsincludedinTabIe6.Table5Coatingthicknessforelectrolyticzinc-coatedhot-rolledandcold-reducedcarbonsteelsheetCoatingmassdesignation3NominalthicknesspersurfacemMinimumthicknesspersurfacemNominalcoatingmasspersurf
40、acebgm2ZE040,40,43ZElO1,00,97ZE141,41,210ZE282,82,420ZE383,83,427ZE424,23,630ZE565,64,840ZE707,06,050ZE757,56,854ZE13513,512,296ZE15015,013,5107NOTEThedensityofzincusedis7100kgm3.aEquallycoatedmaterialshouldbedesignatedasZE1010,forexample.DifferentiallycoatedmaterialshouldbedesignatedasZE5010,forexa
41、mple.Single-surface-coatedmaterialshouldbedesignatedasZE380,forexample.bThisisforinformationonly.Table6Coatingbendtestrequirementsforelectrolyticzinc-coatedhot-rolledandcold-reducedcarbonsteelsheetBase-metalqualitydesig-nation180obendmandreldiametere3e3HRLHR2,HR3,HR40LOQCRLCR2,CR3,CR4,CR500a:thickne
42、ssofbendtestpiece,inmillimetrese:thicknessofsteelsheet,inmillimetres5.5 FabricationqualitiesElectrolyticzinc-coatedcarbonsteelsheetisinfivefabricationqualitiesasgivenin32to3.6.5.6 WeldabilityThisproductissuitableforweldingifappropriateconditionsareselected.5.7 ApplicationItisdesirablethatelectrolyti
43、czinc-coatedsteelsheetbeidentifiedforfabricationbythenameofthepartorbytheintendedapplication.SteelsheetofdrawingqualitiesHR2,HR3,andHR4andCR2,CR3,CR4,andCR5maybeproducedtomakeanidentifiedpartwithinaproperlyestablishedbreakageallowance,whichshallbepreviouslyagreeduponbetweentheinterestedparties.Inthi
44、scase,thepartname,thedetailsoffabrication,andspecialrequirements(i.e.exposedorunexposed,freedomfromstretcherstrainsorfluting,andcoatingperformancerequirements)shallbespecified,andthemechanicalpropertiesofTabIC7or8donotapply.5.8 MechanicalpropertiesExceptwhenorderedaccordingtoanidentifiedpartasexplai
45、nedin5.6,atthetimethatthesteelismadeavailableforshipment,themechanicalpropertiesshallbeasstatedinTable7or8whentheyaredeterminedontestpiecesobtainedaccordingtotherequirementsofCIaUSe7.Prolongedstorageofthesheetcancauseachangeinmechanicalproperties,leadingtoadecreaseindrawability.Tominimizethiseffect,
46、base-metalqualityCR4orCR5shouldbespecified.ThepropertiesinTabIe8areafterskinpassing.Table7Mechanicalpropertyrequirementsforhot-rolledelectrolyticzinc-coatedcarbonsteelBase-metalqualityamax.MPa*min.%DesignationNamee33e6L0=80mmL0=50mmLo=5,65$ommL0=50mmHRlcommercial44023242829HR2drawing42025263031HR3deepdrawing40028293334HR4deepdrawingaluminiumkilled38031323637RmtensilestrengthA.percentageelongationafterfractureL0:gaugelengthoforiginaltestpieceS0:originalcross-sectionalareaofgaugelengthe:thicknessofsheet,inmillimetresNOTE
