ASME-F-106---12-(2017)

Designation:F106−12(Reapproved2017)StandardSpecificationforBrazingFillerMetalsforElectronDevices1ThisstandardisissuedunderthefixeddesignationF106;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrequirementsorfillermetalssuitableforbrazinginternalpartsandothercriticalareasofelectrondevicesinanonoxidizingatmosphere(Note1).1.2Thesematerialsareavailableinstriporwireorpreformsmadebyblankingthestriporbendingthewire.Powdersarealsoavailable.NOTE1—BrazingfillermetalsforgeneralapplicationsarespecifiedinAWSSpecificationA5.8.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2B214TestMethodforSieveAnalysisofMetalPowdersE11SpecificationforWovenWireTestSieveClothandTestSievesF19TestMethodforTensionandVacuumTestingMetal-lizedCeramicSeals2.2AmericanWeldingSociety:3A5.8SpecificationforBrazingFillerMetalsC3.2MethodforEvaluatingtheStrengthofBrazedJointsC3.3RecommendedPracticesforDesign,ManufactureandInspectionofCriticalBrazedComponents3.Classification3.1BrazingfillermetalswhicharevacuumgradeandareclassifiedonthebasisofchemicalcompositionshowninTable1.ThedifferencebetweenGrade1and2istheallowableimpuritycontent.Grade1requiresgenerallylowerlevelsofimpurities.4.OrderingInformation4.1Ordersformaterialtothisspecificationshallincludethefollowinginformation:4.1.1Quantity,4.1.2Dimensionsandtolerances(Table2),4.1.3Form(rod,bar,wire,etc.),4.1.4AWSclassification(Table1),4.1.5Grade1,4.1.6Specialrequirementsorexceptions,and4.1.7Certification—Stateifcertificationisrequired.5.MaterialsandManufacture5.1Thebrazingfillermetalsshallbevacuumgradeandfabricatedbyanymethodthatyieldsaproductconformingtotherequirementsofthisspecification.6.ChemicalComposition6.1ThefinishedbrazingfillermetalshallconformtothechemicalcompositionshowninTable1forGrade1material.7.MechanicalProperties7.1Unlessotherwisespecified,wireshallbefurnishedinsofttempermostsuitableforhandfeedingorringwindingonmandrels.Aminimumelongationof10%in2in.(50.8mm)indicatesthatthewireisannealed.7.2Unlessotherwisespecified,stripshallbefurnishedinhardas-rolledtempertofacilitatecleanblankingofthinshimsorpreforms.Amaximumelongationof5%in2in.(50.8mm)designatesthestripashard.8.DimensionsandPermissibleVariations8.1Thesematerialsmustconformtothedimensionallimi-tationslistedinTable2forstrip,wire,andpreformsortoTable3forthesizedistributionofpowderedbrazingfillermetals.1ThisspecificationisunderthejurisdictionofASTMCommitteeF01onElectronicsandisthedirectresponsibilityofSubcommitteeF01.03onMetallicMaterials,WireBonding,andFlipChip.CurrenteditionapprovedJune1,2017.PublishedJune2017.Originallyapprovedin1969asF106–69T.Lastpreviouseditionapprovedin2012asF106–12.DOI:10.1520/F0106-12R17.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.3AvailablefromAmericanWeldingSociety(AWS),550NWLeJeuneRd.,Miami,FL33126.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStatesThisinternationalstandardwasdevelopedinaccordancewithinternationallyrecognizedprinciplesonstandardizationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecommendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.1TABLE1ChemicalCompositionRequirements(inWt.%)forVacuumGradeFillerMetalsforElectronDevicesA,B,CNOTE1—Allfinishedmaterialshallbereasonablysmoothandbrightandfreefromdirt,oil,grease,orotherforeignmaterial.NOTE2—Acompletedesignationofspecifiedmaterialmustincludethegradedesignationnumber(forexample,BVAg-6b,Grade1).NOTE3—Singlevaluesshownaremaximumpercentages,exceptwhereotherwisespecified.AWSClassifi-cationUNSDesigna-tionAgAuCuNiCoSnPdInZnCdPbPCGrade1-VacuumgradefillermetalsBVAg-0P0701799.95min....0.05...............0.0010.0010.0020.0020.005BVAg-6bP0750749.0–51.0...Remainder...............0.0010.0010.0020.0020.005BVAg-8P0772771.0–73.0...Remainder...............0.0010.0010.0020.0020.005BVAg-8bP0772870.5–72.5...Remainder0.3–0.7............0.0010.0010.0020.0020.005BVAg-18P0760759.0–61.0...Remainder......9.5–10.5......0.0010.0010.0020.0020.005BVAg-29P0762760.5–62.5...Remainder............14.0–15.00.0010.0010.0020.0020.005BVAg-30P0768767.0–69.0...Remainder.........4.5–5.5...0.0010.0010.0020.0020.005BVAg-31P0758757.0–59.0...31.0–33.0.......