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GB 5237.2Wrought aluminum alloy extruded profiles for 译稿-英文参考.pdfGB 5237.2Wrought aluminum alloy extruded profiles for 译稿-英文参考.pdf -- 5 元

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ICS77.150.10H61NationalStandardofthePeoplesRepublicofChinaGB5237.2200replaceGB5237.22004WroughtaluminumalloyextrudedprofilesforarchitecturePart2AnodizedprofilesIssuedate200Implementationdate200IssuedbyGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeoplesRepublicofChinaStateAdministrationofChinaforStandardizationGB5237.2200ForewordInthispart,article4.4.1and4.4.2arecompulsory.Othercontentsarerecommended.Thereare6partsinGB5237WroughtaluminumalloyextrudedprofilesforarchitecturePart1UntreatedprofilesPart2AnodizedprofilesPart3ElectrophoresticcoatingprofilesPart4PowdercoatingprofilesPart5PVDFcoatingprofilesPart6ThermalbarrierprofilesThispartisthesecondpartofGB5237.ThispartreplaceGB5237.22004Wroughtaluminumalloyextrudedprofilesforarchitecturepart2Anodizedprofiles.ThispartisamendedrefertoJISH86011999Anodicoxidecoatingsonaluminumandaluminumalloys.ThemajortechnicaldifferencesbetweenthispartandGB5237.22004areAssessmentofqualityofsealedanodicoxidecoatingsbyphosphoricacid/chromicacidtestwithnitricacidpredip.AbolishtherequirementsandmethodofAlkalispottestonanodicoxidecoating.TheAnnexAandAnnexBinthispartareforinformationonly.ThispartwasproposedbytheChinaNonferrousMetalsIndustryAssociation.ThispartisunderthejurisdictionoftheStateAdministrationofChinaforStandardizationofNonferrousMetals.ThedepartmentswithresponsibilityforthisworkareasfollowsGuangdongXingfaAluminumCo.,LtdFujianMinfaAluminumCo.,LtdGuangdongJianmeiAluminumProfileFactoryCo.,LtdFujianNanpingAluminumCo.,LtdandStandardResearchDivisionChinaNonferrousMetalsStandardsandMetrologyResearchInstitute.ThispartisattendedbyNationalQualitySupervisionandInspectionCenterforNonferrousMetalsFoshanCityNuonanAluminumCo.,LtdFoshanCityJihuaAluminumCo.,LtdandBeijingDongyaAluminumCo.,Ltd.ThispartwasdraftedbyWuXikun,FanShunke,ChenWensi,ZhuZufang,ZhengYumei,DaiYuexing,WuShiwen,ZhanZhongxingandZhangJilin.ThepreviousversionsofthestandardreplacedbythispartareGB/T52371985,GB/T52371993AnodizedandColoredprofiles,GB5237.22000,GB5237.22004.0GB5237.2200WroughtaluminumalloyextrudedprofilesforarchitecturePart2Anodizedprofiles1ScopeThispartspecifiesrequirements、testmethods、inspectionregulations、packaging、labeling、transportation、storageandcontentsofcontractororderofwroughtaluminumalloyextrudedprofileswithanodizedoxidecoatingforarchitecture.Thispartappliestothecoatingsofanodicoxide,electrolyticcolorandorganiccoloredonthesurface,wroughtaluminumalloyextrudedprofilesforarchitecturehereafterreferredtoastheanodizedprofiles.Thesamepurposeandthesamesurfacetreatmentofotheraluminumalloyextrudedprofilesmayapplytothispart.2NormativereferencesThefollowingpublicationsarecitedandincorporatedintothisstandard.Fordatedreferences,subsequentamendmentsexcludingcorrectionoferrortoorrevisionsofanyofthesepublicationsdonotapplytothisstandard.Butpartiesreachinganagreementaccordingtothisstandardareencouragedtoreviewifthelatesteditionsofthesepublicationsareapplicable.Forundatedreferences,thelatesteditionofthepublicationapplies.GB/T2282002Metallicmaterials-TensiletestingatambienttemperatureGB/T1766Paintandvarnish-RatingschemesofdegradationofcoatsGB/T4957NonconductivecoatingsonnonmagneticmetalsubstratesMeasurementofcoatingthicknessEddycurrentmethodGB/T629Chemicalreagent-SodiumhydroxideGB/T1740DeterminationofresistancetotemperatureandhumidityGB/T18651997PaintsvarnishesArtificialweatheringandexposuretoartificialradiationFilteredxenonarcradiationGB/T3199WroughtaluminumandaluminumalloyproductsWroughtaluminumandaluminumalloyproductspacking,marking,transportingandstoringGB/T4957NonconductivecoatingsonnonmagneticmetalsubstratesMeasurementofcoatingthicknessEddycurrentmethodGB5237.1WroughtaluminumalloyextrudedprofilesforarchitecturePart1UntreatedprofilesGB/T6461MethodsforcorrosiontestingofmetallicandotherinorganiccoatingsonmetallicsubstratesRatingoftestspecimensandmanufacturedarticlessubjectedtocorrosiontestsGB/T6462MetallicandoxidecoatingsMeasurementofcoatingthicknessMicroscopicalmethodGB/T8013.12007AnodicoxidecoatingsandorganicpolymercoatingsonaluminumanditsalloysPart1Anodicoxidecoatings1GB5237.2200GB/T8014.1AnodizingofaluminumanditsalloysThemeasuringmethodofthicknessofanodicoxidecoatingsPart1ThemeasuringprincipleGB/T8014.2AnodizingofaluminumandaluminumalloysAssessmentofqualityofsealedanodicoxidecoatingsPart1Phosphoricacid/chromicacidtestwithnitricacidpredipGB/T9276MethodsofexposuretonaturalweatheringofcoatingGB/T12967.3AnodizingofaluminumandaluminumalloysCopperacceleratedaceticacidsaltspraytestforanodicoxidecoatingsCASStestGB/T12967.3AnodizingofaluminumandaluminumalloysDeterminationofthefastnesstoultravioletlightofcolouredanodiccoatingsGB/T14952.3AnodizingofaluminumandaluminumalloysDeterminationofcolordifferencesandappearanceofcoloredanodicoxidefilmsViewingmethodGB/T20975allpartsChemicalanalysismethodsofaluminumandaluminumalloys3Terms,DefinitionsThetermsanddefinitionsofGB/T8013.12007andthedefinitionsshownhereinafterareapplicableforthispart.3.1ExposedsurfacesExposedsurfacesmeantheprofilesafterprocessed、fabricatedandinstalledintheconstruction,thevisiblesurfaceswhentheyareopenorclose.3.2LocalthicknessCoatingthicknessonmeasuringpartmeanstheaveragemeasuredvalueofmeasuringseveraltimesnotlessthan3timesatapartnomorethan1cm2ontheexposedsurface.3.3AveragethicknessTheaverageofvaluesmeasuredoflocalthickness,bymeasuringforseveraltimesnotlessthan5times.4Requirements4.1Classification4.1.1Alloy、TemperandSpecificationThealloy、temperandspecificationshallbeinaccordancewithprovisionsofGB5237.1.4.1.2Anodizedcoatingthicknessclassification,typicalpurposeandpaintfilmtypeThicknessclassificationofanodiccoatings,typicalpurposeandpaintfilmtypeareshowninTable1.Theclassificationshallspecifyinthecontract.Iftheanodiccoatingthicknessclassificationisnotspecifiedinthecontract,anodizedcoatingprofileswithclearpaintshallbesuppliedinaccordancewithclassAA10.Table1ClassTypicalpurposeanodizedtypeAssemblyofindoorandoutdoorarchitectureorvehicleAA10AA15assemblyofoutdoorarchitectureorvehicleAA20AA25assemblyofarchitecturevehicleinoutdoorrigorenvironmentAnodicoxideAnodicoxideandelectrolyticcolorAnodicoxideandcolor4.1.3Labeling/markingProductlabelpresentsproductname,alloy,temper,specificationconsistingoftwopartsprofilereferencenumberandlength,color,classification,andthispartnumber.2GB5237.2200LabelingsamplesareasthefollowingAluminumprofilesmadeofalloy6063,temperT5,referenceNo.421001,length6000mm,surfacetreatmenttypeisanodicoxideelectrolyticcolortreatment,blackbronzecolored,classificationisAA15,labeledasAnodiccoatingprofile6063T54210016000blackBronzeAA15GB5237.2200.4.2ChemicalcompositionandmechanicalpropertiesThechemicalcompositionandmechanicalpropertiesshallbeinaccordancewithGB5237.1.4.3DimensiontoleranceThedimensiontoleranceofprofilesincludingoxidizedcoatingshallbeinaccordancewithGB5237.1.4.4Oxidizedcoatingproperties4.4.1CoatingthicknessTheaveragethicknessandlocalthicknessofanodizedoxidizedcoatingsshouldaccordwiththespecificationshowninTable2.Table2Minimumaveragethickness/μm,notlessthanMinimumlocalthickness/μm,notlessthanClassofthicknessAA10108AA151512AA202016AA2525204.4.2SealingqualityAfterphosphoricacid/chromicacidtestwithnitricacidpredip,thepermissiblemasslossshallnotbemorethan30mg/dm2.4.4.3ColorandColordifferencesThecolorofanodizedoxidizedcoatingshallbeinaccordancewithcolorsampleagreedbythebuyerandsellerbasically,orbetweentheupperandlowerlimitofthecolorstandardwhichhavebeenagreedbetweenthesupplierandcustomer.Ifthebuyerwantstomeasurethecolorwithapparatus,thecolordifferencevalueshallbeagreedbythebuyerandseller.4.4.4ResistancetosaltspraycorrosionResultsofCASStestshouldmeetthespecificationshowninTable3.4.4.5AbrasionresistanceResultsofabrasionresistancetestshouldmeetthespecificationshowninTable3.Table3SaltspraycorrosionresistanceAbrasionresistanceCASStestresultsWearcoefficientofsandfallingtestresultsClassofthicknessAbrasioncoefficient(f),g/μmTime/hClass/GradeAA1016≥9≥300AA1524≥9≥300AA2048≥9≥300AA2548≥9≥3004.4.6Weatheringresistance4.4.6.1AcceleratedweatheringresistanceAfterartificialacceleratedagingtestwith313Bfluorescentultravioletlamb,thediscolorationofelectrolyzecoloredcoatingsshallachieveGrade1,theoneoforganiccoloredcoatingsshallachieveGrade2.Thecolordifferencegradeshallbearrangedaccordingtothedifferenceofthecolorbythebuyerandtheseller.3GB5237.22004.4.6.2NaturalweatheringresistanceIfnaturalweatheringresistanceisrequiredbythebuyer,thetestconditionsandtheacceptancestandardshallbeagreedbetweenthebuyerandtheselleranditshallbespecifiedincontract.4.4.7Other4.4.7.1Ifthebuyerhaveanyspecialrequestsforperformancetosaltspraycorrosionresistance、abrasionresistance、andweatheringresistance,thecustomerandthesuppliercanconsulttherequestofpropertiesaccordingtoGB/T8013.12007,andspecifyinthecontract.4.4.7.2.ThecustomerandthesuppliercanconsulttherequestofpropertiesaccordingtoGB/T8013.12007,whenthebuyerrequiresotherproperties.4.5AppearanceThesurfacesofanodizedprofileswithelectricalburnsoroxidizedfilmpeelingoranyotherdefectsaffectusearenotallowed.Butprofileswithoutfilmlocallyatthe80mmendofthemareallowed.5Testmethods5.1ChemicalcompositionArbitralanalysismethodforchemicalcompositionshallbeinaccordancewithGB/T20975.5.2MechanicalpropertiesArbitraltestformechanicalpropertiesshallbeinaccordancewithGB/T2282002,percentageelongationafterfractureshallbeinaccordancewithclause11.1ofGB/T2282002.5.3DimensiontoleranceThedimensiontoleranceiscarriedoutaccordingtothemethodsprescribedinGB5237.1.5.4Performanceofanodicoxidecoating5.4.1Coatingthickness5.4.1.1AccordingtothemeasurementprincipleprovidedinGB/T8014.1,measurethefilmthicknessbyEddycurrentmethodprovidedinGB/T4957orMicroscopicalmethodprovidedinGB/T6462.ArbitralmeasurementshallbeinaccordancewithGB/T6462.5.4.1.2ThemeasurementinterpretationsofaveragecoatingthicknessandlocalthicknessseeGB/T8013.12007AnnexD.5.4.2SealingqualityApplyphosphoricacid/chromicacidtestwithnitricacidpredipshallbecarriedoutaccordingtoGB/T8753.2.5.4.3Colorandcolordifference5.4.3.1Ifmatchingthecoloredspecimens,theyshallbeplacedinthesameplaneandobservedfromtheorientationneartonormal,indiffusedaylight,alongthedirectionofprocessingbeingalwaysthesame.5.4.3.2Adiffusesourceofilluminationshallbeplacedaboveandbehindtheviewer.ThedirectionoflightilluminatingareasfollowsNorthofequatorlightfromnorthernaspectSouthofequatorlightfromsouthernaspect.5.4.3.3OtherspecificinspectionmethodsshallbecarriedoutaccordingtoGB/T14952.3.5.4.4SaltspraycorrosionresistanceApplyCASStest.ThetestiscarriedoutaccordingtoGB/T12967.3.Andtheresultis4GB5237.2200estimatedaccordingtoGB/T6461.ThetotaldefectareapercentageshallberelatedtothegraderespectivelyinTable4.Table4Defectareaaftertesting/%DefectareaafterProtectiongrade(R)Protectiongrade(R)testing/%absence10>0.05~0.079.3≤0.029.8>0.07~0.109>0.02~0.059.5>0.10~0.2585.4.5AbrasionresistanceApplyfallingsandtest.ThetestshallbecarriedoutaccordingtotheannexAofGB/T8013.12007.5.4.6Weatheringresistance5.4.6.1AcceleratedweatheringresistanceApplyartificialacceleratedagingtestwith313Bfluorescentultravioletlamp.ThetestshallbecarriedoutaccordingtoGB/T14952.4.Continuingirradiate300h.ThediscolorationgradeofoxidecoatingsareassessaccordingtoGB/T1766.5.4.6.2NaturalweatheringThetestiscarriedoutaccordingtoGB/T9276.NoteIntheStationsforatmosphericexposurecorrosiontestinChina,atmosphereconditionofQionghaiStationinHainanprovinceisclosertothatofFloridastationspecifiedintheInternationalStandard.5.4.7OthersThetestsofotherpropertiesarecarriedoutaccordingtoGB/T8013.12007orshallbeconsultedbybuyerandseller.5.5AppearancequalityInspecttheappearanceaccordingtothemethodsspecifiedinGB/T14952.3.6Inspectionrules6.1Inspectionandacceptance6.1.1Theanodizedprofilesshallbeinspectedbythesupplier,ensuringtheproductqualityinaccordancewiththespecificationofthispart.Andtheproductqualityassurancecertificateshallbefilledinbythesupplier.6.1.2Thebuyermayrecheckthereceivedproductsaccording.Iftherecheckresultisnotinaccordancewiththespecificationofthisstandardorofthecontract,buyermayinformsupplierinwrittenform.Theproblemmaybesolvedbybuyerandsupplierafterdiscussion.Thedisapprovaloftheappearancequalityanddimensiontoleranceshallbeexpressedwithin1monthafterproductsarereceived.Thedisapprovalofotherpropertiesmaybeexpressedwithin3monthsafterproductsarereceived.Ifarbitrationisrequired,thearbitrationspecimenswillbesuppliedbybuyerandthearbitrationwillbeprecededbetweenbuyerandsupplier.6.2BatchTheprofilesshallbeinspectedforacceptanceinbatches.Everybatchshallincludeprofilesofthesamealloy、thesametemper、thesamespecificationandthesamethicknessclassofanodicoxidecoatings.Nolimitforbatchweight.6.3InspectionitemsBeforedeliveryeverybatchoftheanodicoxidecoatingprofilesshallbeinspectedintermsofchemicalcomposition,mechanicalproperties,dimensionstolerance,sealingquality,5
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