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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.Theproductisintendedforthemanufactureofformedorofmiscellaneousparts,andcanbesuppliedchemicallytreatedtorenderitmoresuitableforpainting.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoral
