Designation:F289−96(Reapproved2014)StandardSpecificationforMolybdenumWireandRodforElectronicApplications1ThisstandardisissuedunderthefixeddesignationF289;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstwogradesofmolybdenumwirelessthan0.050in.(1.27mm)indiameterandonegradeofmolybdenumrod1.00in.(25.4mm)orlessindiameterasfollows:1.1.1Grade1—Commerciallypuremolybdenumwiresuit-ableforleads,hooks,supports,heaters,andmetal-to-glassseals.1.1.2Grade2—Commerciallypuremolybdenumwiresuit-ableformandreleitherblackorcleaned.1.1.3Grade3—Commerciallypuremolybdenumrodsuit-ableforleads,hooks,supports,andmetal-to-glassseals.1.2Thetermwireappliestoallspooledorcoiledmaterialand0.050in.(1.3mm)orlessindiameterandtoshortcutlengths0.020in.(0.51mm)orlessindiameter.1.3Thetermrodappliestoallmaterialover0.020in.(0.51mm)indiameter,suppliedinstraightlengths.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D374TestMethodsforThicknessofSolidElectricalInsu-lation(Withdrawn2013)3E8TestMethodsforTensionTestingofMetallicMaterialsE315TestMethodsforChemicalAnalysisofMolybdenum(Withdrawn2010)3F16TestMethodsforMeasuringDiameterorThicknessofWireandRibbonforElectronicDevicesandLampsF205TestMethodforMeasuringDiameterofFineWirebyWeighingF219TestMethodsofTestingFineRoundandFlatWireforElectronDevicesandLamps2.2FederalStandard:Fed.Std.No.123MarkingforShipment(C...
