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GB 5237.5 Wrought aluminum alloy extruded profiles for译稿-英文参考.pdf

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GB 5237.5 Wrought aluminum alloy extruded profiles for译稿-英文参考.pdf

ICS77.150.10H61NationalStandardofthePeoplesRepublicofChinaGB5237.5200replaceGB5237.52004WroughtaluminumalloyextrudedprofilesforarchitecturePart5PVDFcoatingprofilesIssuedate200Implementationdate200IssuedbyGeneralAdministrationofQualitySupervision,InspectionandQuarantineofthePeoplesRepublicofChinaStateAdministrationofChinaforStandardizationGB5237.5200ForewordInthispart,article4.5.3.1and4.5.5arecompulsory.Othercontentsarerecommended.Thereare6partsinGB5237WroughtaluminumalloyextrudedprofilesforarchitecturePart1UntreatedprofilesPart2AnodizedprofilesPart3ElectrophoreticcoatingprofilesPart4PowdercoatingprofilesPart5PVDFcoatingprofilesPart6ThermalbarrierprofilesThispartisthefifthpartofGB5237.ThispartreplaceGB5237.62004WroughtaluminumalloyextrudedprofilesforarchitecturepartPVDFcoatingprofiles.ThispartisamendedrefertoAAMA26502005VoluntarySpecification,PerformanceRequirementsAndTestProceduresforSUPRIORPERFORMINGORGANICCOATINGSONALUMINUMEXTRUSIONSANDPANELS.ThemajortechnicaldifferencesbetweenthispartandGB5237.52004areThetimeofNeutralsaltspraycorrosionresistancetestofcoatingsspecified4000h,thesameasAAMA2605.ArtificialacceleratedweatheringresistanceadoptartificialXenonarcexposureacceleratedagingtest.Thetimeofthetestis2000h.Thetimeofheatandhumidityresistancetestofcoatingsspecified4000h,thesameasAAMA2605.ThispartwasproposedbytheChinaNonferrousMetalsIndustryAssociation.ThispartisunderthejurisdictionoftheStateAdministrationofChinaforStandardizationofNonferrousMetals.ThedepartmentswithresponsibilityforthisworkareasfollowsGuangdongXingfaAluminumCo.,LtdFujianMinfaAluminumCo.,LtdFujianNanpingAluminumCo.,LtdNationalQualitySupervisionandInspectionCenterforNonferrousMetalsStandardResearchDivisionChinaNonferrousMetalsStandardsandMetrologyResearchInstituteGuangdongJianmeiAluminumProfileFactoryCo.,Ltd.ThispartisattendedbySouthChinaQualitySupervisionandInspectionCenterforNonferrousMetals.GuangyaAluminumCo.,LtdGuangdongFenglvAluminumCo.,LtdFoshanCityXinheAluminumCo.,Ltd.ThispartwasdraftedbyChenWensi,ZhuYuhua,WuXikun,ChenSumei,LinJie,LuJiyan,HeYaozhu,ZhanJie,ZhangJilin.ThepreviousversionsofthestandardreplacedbythispartareGB5237.52000,GB5237.52004.0GB5237.5200WroughtaluminumalloyextrudedprofilesforarchitecturePart5PVFDcoatingprofiles1ScopeThispartspecifiesrequirements、testmethods、inspectionregulations、packaging、labeling、transportation、storageandcontentsofcontractororderofwroughtaluminumalloyextrudedprofileswithfluorinecarbonpaintelectrostaticsprayingforarchitecture.ThispartappliestothecoatingsofPolylinylideneFluoride,wroughtaluminumalloyextrudedprofilesforarchitecturehereafterreferredtoasprofiles.Thesamepurposeandthesamesurfacetreatmentofotheraluminumalloyextrudedprofilesmayapplytothispart.2NormativereferencesThefollowingpublicationsarecitedandincorporatedintothisstandard.Fordatedreferences,subsequentamendmentsexcludingcorrectionoferrortoorrevisionsofanyofthesepublicationsdonotapplytothisstandard.Butpartiesreachinganagreementaccordingtothisstandardareencouragedtoreviewifthelatesteditionsofthesepublicationsareapplicable.Forundatedreferences,thelatesteditionofthepublicationapplies.GB/T2282002Metallicmaterials-TensiletestingatambienttemperatureGB/T1732DeterminationofimpactresistanceoffilmGB/T1740DeterminationofresistancetoheatandhumidityofpaintfilmsGB/T1766MethodofevaluationofdegradationbothexteriorandacceleratedofpaintfilmsGB/T18651997PaintsandvarnishesArtificialweatheringandexposuretoartificialradiationFilteredxenonarcradiationGB/T3199WroughtaluminumandaluminumalloyproductsPacking,marking,transportingandstoringGB/T4957NonconductivecoatingsonnonmagneticbasismetalsMeasurementofcoatingthicknessEddycurrentGB5237.1WroughtaluminumalloyextrudedprofilesforarchitecturePart1UntreatedprofilesGB/T5237.42008WroughtaluminumalloyextrudedprofilesforarchitecturePart4PowdercoatingprofilesGB/T6461MethodsforcorrosiontestingofmetallicandotherinorganiccoatingsonmetallicsubstratesRatingoftestspecimensandmanufacturedarticlessubjectedtocorrosiontestsGB/T6682WaterforanalyticallaboratoryuseSpecificationandtestmethodsGB/T6739PaintsandvarnishesDeterminationoffilmhardnessbypenciltestGB/T8013.32007AnodicoxidecoatingsandorganicpolymercoatingsonaluminumanditsalloysPart3Organicpolymercoatings1GB5237.5200GB/T9276MethodsofexposuretonaturalweatheringofcoatingGB/T9286PaintsandvarnishesCrosstestforfilmsGB/T9754PaintsandvarnishesDeterminationofspecularglossofnonmetallicpaintfilmsat20°、60°and85°GB/T9761PaintsandvarnishesVisualcomparisonofthecolorofpaintsGB/T10125CorrosiontestsinartificialatmospheressaltspraytestsGB/T11186.2MethodsformeasuringthecolorofpaintfilmsPart2ColormeasurementGB/T11186.3MethodsformeasuringthecolorofpaintfilmsPart3CalculationofcolordifferencesGB/T16585Rubber,vulcanizedTestmethodofresistancetoartificialweatheringFluorescentUVlampGB/T20975allpartsChemicalanalysismethodsofaluminumandaluminumalloysJC/T480Architecturalcalcespowder3TermsandDefinitionsThetermsanddefinitionsofGB/T8013.32007shownbelowareapplicableforthispart.3.1FilmFilmissolidifiedfluorinecarbonpaintcoatingsonthesurfaceofmetalbase.Itcanbecalledcoatingtoo.3.2ExposedsurfacesExposedsurfacestheprofilesafterprocessed、fabricatedandinstalledintheconstruction,thevisiblesurfaceswhentheyareopenorclose.3.3ThicknessofcoatingThicknessofcoatingisthethicknessofsolidifiedfluorinecarbonpaintcoatingonthesurfaceofmetalbase.3.4LocalthicknessCoatingthicknessonmeasuringpart–Theaveragemeasuredvalueofmeasuringseveraltimesnotlessthan3timesatapartnomorethan1cm2ontheexposedsurface.3.5MinimumlocalthicknessTheminimumthicknessofsomelocalthicknessmeasuredonexposedsurfaceoftheprofiles.3.6AveragethicknessTheaverageofvaluesmeasuredoflocalthickness,bymeasuringforseveralnotlessthan5times.4Requirements4.1Classification4.1.1Alloy,Temper,SpecificationandCoatingtypeThealloy、temperandspecificationshallbeinaccordancewithGB5237.1.CoatingtypeshallbeinaccordancewithprovisionsshowninTable1.Table1TwicecoatingThricecoatingFourfoldcoatingPrimerandtopcoatPrimer,topcoatandvarnishPrimer,barriercoat,topcoatandvarnish2GB5237.52004.1.2Labeling/markingProductlabelpresentsproductname,alloy,temper,specificationconsistingoftwopartsprofilereferencenumberandlength,colorcodeexpressedasColorXXXX,andthispartnumber.LabelingsamplesareasthefollowingAluminumprofilesmadeofalloy6063,temperT5,referenceNo.421001,length6000mm,thecoatingcolorisgraycode8399,labeledasPVDFcoatingprofile6063T54210016000Color8399GB/T5237.52004.2Pretreatmentofprofileshouldbeconsistentwithsection5.2ofGB/T8013.32007.4.3ChemicalcompositionandmechanicalpropertiesThechemicalcompositionandmechanicalpropertiesshallbeinaccordancewithGB5237.1.4.4DimensiontoleranceThedimensiontoleranceofprofilesgotridoffilmthicknessshallbeinaccordancewithGB5237.1,forthechangeofthedimensioncausedbythecoatingwillnotworkonfitting/affectassemblyandusing.4.5PVDFcoatingproperties4.5.1GlossThe60°glossofthecoatingshallbeinaccordancewiththecontract.Thepermissibledeviationofitis±5units.4.5.2ColorandcolordifferenceThecolorshallbebasicallyinaccordancewiththesampleagreedbythebuyerandseller.Whenevaluatebyinstrumental,thecolordifferencebetweenthemonochromecoatingandthesamplemust△Eab≤1.5,thecolordifferencebetweenprofilesinthesamepasselpasseltobedeliveredmust△Eab≤1.5.4.5.3Coatingthickness4.5.3.1CoatingsthicknessonexposedsurfaceshallbeinaccordancewiththeprovisionsshowninTable2.Table2Averagethickness/μmMinimumlocalthickness/μmCoatingtypeTwicecoating≥30≥25Thricecoating≥40≥34Fourfoldcoating≥65≥55NoteBecauseofthecomplexityofthecrosssectionsofprofiles,thecoatingthicknessofsomesurfaceofprofilessuchasinternalangles,crosschannelsandsoonisallowedtobebelowtheprovisionvaluesinTable2.Butexposingfundusisnotallowed.4.5.3.2Ifthenonexposedsurfacesneededtopaint,shouldbespecifiedinthecontract.4.5.4IndentationhardnessNicktestbypencil,hardness≥1H.4.5.5AdhesionDryadhesion,wetadhesionandboilingwateradhesionshouldmeetclass0.4.5.6Impactresistancefinewrinkleattheperimeteroftheconcaveareaonthecoatingsurfaceafterimpacttestispermissible.Buttheadhesivetapeisnotallowedtoadhibitoffanydetachment.4.5.7AbrasionresistanceFallingsandtest,abrasioncoefficient≥1.6L/μm.3GB5237.52004.5.8HydrochloricacidresistanceVisualinspectthecoatingsurfaceafterhydrochloricacidresistancetest,defectssuchasblistersandotherobviouschangesarenotallowedtoexistonthecoatingsurface.4.5.9NitricacidresistanceThecolorchangeofthemonochromecoating△Eab≤5,afterNitricacidresistancetest.4.5.10MortarresistanceVisualinspectthecoatingsurfaceafterresistancetomortartest,defectssuchasdetachmentandotherobviouschangesarenotallowedtoexistonthecoatingsurface.4.5.11SolventresistanceAfterresistancetosolventtest,defectssuchasintenerateandotherobviouschangesarenotallowedtoexistonthecoatingsurface.4.5.12DetergentresistanceVisualinspectthecoatingsurfaceafterresistancetodetergenttest,defectssuchasblisters,detachmentandotherobviouschangesarenotallowedtoexistonthecoatingsurface.4.5.13SaltspraycorrosionresistanceAfterNSStestfor4000h,thefiltercorrosionwidthofeachsideofthelineationshallbenotbeyond2mm.Thereshallbenocorrosiononcoatingsurfacebeyond2.0mmbothsidesofthelineation.4.5.14HeatandhumidityresistanceAfterheatandhumidityresistancetestfor4000h,thechange≤Grade1.4.5.15Weatheringresistance4.5.15.1AcceleratedweatheringresistanceAfterXenonArcexposureartificialacceleratedagingtestfor2000h,thecoatingshallnotbepowderingGrade0,glossretentionratiopercentageofthecoatingglossvalueaftertesttotheoneaftertest≥85,colorchange≥Grade1.4.5.15.2NaturalweatheringresistanceThetestconditionsandcheckingstandardsshallbeagreedbetweenthecustomerandthesupplier,andspecifiedinthecontract,whennaturalweatheringresistanceisrequiredbythecustomer.4.5.16Other4.5.16.1Ifthebuyerhasanyspecialrequestsforimpactresistance,abrasionresistance,saltspraycorrosionresistance,heatandhumidityresistance,weatheringresistanceandotherspecialperformances,thecustomerandthesuppliercanconsulttherequestofpropertiesaccordingtoGB/T8013.32007,andspecifyinthecontract.4.5.16.2ThecustomerandthesuppliercanconsulttherequestofpropertiesaccordingtoGB/T8013.32007,whenthebuyerrequiresotherproperties.4.6AppearanceThecoatingontheexposedsurfacesshallbesmoothness,uniform.Andflowmark/run,wrinkle,airbubble/blister,peelingoranyotherdefectsimpactingusearenotallowed.5Testmethods5.1Chemicalcomposition4GB5237.5200ArbitralanalysismethodforchemicalcompositionshallbeinaccordancewithGB/T20975.5.2MechanicalpropertiesArbitraltestformechanicalpropertiesshallbeinaccordancewithGB/T2282002,elongationatbreak/percentageelongationafterfractureshallbeinaccordancewithclause11.1ofGB/T2282002.5.3DimensiontoleranceThedimensiontoleranceiscarriedoutaccordingtoGB5237.1.5.4Coatingperformance5.4.1GlossThemeasurementofglossshallbecarriedoutwithglossmeterat60°inaccordancewithGB/T9754.5.4.2Colorandcolordifferences5.4.2.1VisualmethodVisualmethodshallbecarriedoutaccordingtoGB/T9761.5.4.2.2InstrumentalmethodMethodofarbitrationtestofthehomochromaticcoatingistheinstrumentalmethod,whichfordeterminationofthecolordifferencesshallbecarriedoutaccordingtoGB/T11186.2andGB/T11186.3.5.4.3CoatingthicknessThemeasurementshallbecarriedoutaccordingtoGB/T4957.Thethicknessofthecoatingstobetestedshallbemeasuredatlessfivemeasuringareasappr.1cm2with3to5separatereadingstakenateacharea.Recordtheaveragevalueasthemeasurementvalueofthelocalthicknessatthemeasuringarea.Recordtheaveragemeasuringareasvaluesofastheaveragemeasurementvalueofthecoating.5.4.4IndentationhardnessIndentationhardnesstestshallbecarriedoutwithpencilsaccordingtoGB/T9275.Thetestresultshallbejudgedbythescarsofthesurface.5.4.5Adhesion5.4.5.1Dryadhesion5.4.5.1.1MarkcutsonthespecimenaccordingtotheprovisionsofGB/T9268.Thespacingsofthecuttersare1mm.5.4.5.1.2Lettheadhesivetape1withadhesivepowerof10N/25mmormorecoveronthecutareaofthespecimen,thenpressdownfirmlywithfingertoeliminateairbubblesunderthetape,andimmediatelytakethetapeoffperpendicularlyformthespecimen.ThenevaluatetheadhesionofcoatingsaccordingtoGB/T9286.5.4.5.2WetadhesionMakecutsonthespecimeninaccordancewith5.4.5.1.1,andimmersespecimeninthe38℃±5℃waterofClass3specifiedinGB/T6682for24h.Takethespecimenoutandwipeitdry.Thentestandevaluatethespecimenin5minaccordingto5.4.5.1.2.5.4.5.3Boilingwateradhesion5.4.5.3.1Makecutsonthespecimensinaccordancewith5.4.5.1.1.5.4.5.3.2InfuseClass3waterspecifiedinGB/T6682toabeakertoadepthof80mm,andput5

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