Designation:F30−96(Reapproved2012)StandardSpecificationforIron-NickelSealingAlloys1ThisstandardisissuedunderthefixeddesignationF30;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversiron-nickelalloysthatareintendedprimarilyforsealingtoglassinelectronicapplica-tions.NOTE1—Someofthesealloysmaybeusedforsealingtoceramics,butthisspecificationinitspresentformisnotintendedtocovermaterialformetal-to-ceramicseals.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thehazardstatementpertainsonlytothetestmethodsections,Sections10and12.2.ReferencedDocuments2.1ASTMStandards:2E18TestMethodsforRockwellHardnessofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE112TestMethodsforDeterminingAverageGrainSizeE228TestMethodforLinearThermalExpansionofSolidMaterialsWithaPush-RodDilatometerF14PracticeforMakingandTestingReferenceGlass-MetalBead-SealF140PracticeforMakingReferenceGlass-MetalButtSealsandTestingforExpansionCharacteristicsbyPolarimetricMethodsF144PracticeforMakingReferenceGlass-MetalSandwichSealandTestingforExpansionCharacteristicsbyPolari-metricMethods3.OrderingInformation3.1Ordersformaterialunderthisspecificationshallincludethefollowinginformation:3.1.1Size,3.1.2Temper(Section6),3.1.3Surfacefinish(Section8),3.1.4Markingandpackaging(Section16),and3.1.5Certificationifrequired.4.ChemicalComposition4.1Thematerialshallconformtot...
