ASTM F288-1996(2002) 电子器件和电灯用钨丝标准规范

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【英文标准名称】:StandardSpecificationforTungstenWireforElectronDevicesandLamps
【原文标准名称】:电子器件和电灯用钨丝标准规范
【标准号】:ASTMF288-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F01.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电子设备及元件;金属线;钨;灯;电子工程
【英文主题词】:electrondevices;thoriatedtungstenwire;tungstenwire;UNSR07005;UNSR07911;UNSR
【摘要】:1.1Thisspecificationcoversthreetypesofdrawnwiresuitableforfabricationintopartsforelectrontubes,lamps,andotherdevices;andonetypeofrodformetal-to-glasssealing(gridwireisexcepted):1.1.1Type18212;ACommerciallypurenonsagwire(Note2andNote3).1.1.2Type18212;BCommerciallypurerodsuitableformetal-to-glasssealing.1.1.3Type28212;AThoriatedfilamentwirecontaining1%thoria.1.1.4Type2BThoriatedfilamentwirecontaining2%thoria.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Types1Aand1BaredesignatedasUNSR07005.Type2AisdesignatedasUNSR07911.Type2BisdesignatedasUNSR07912.1.4ThefollowingprecautionarycaveatpertainsonlytotheChemicalAnalysis,Section12ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212Adimensionalmeasurementmethodfortestingnonsagtungstenwireabove0.030in.(0.76mm)indiameterisprovidedinTestMethodF269.Note28212;Acceptanceofnonsagwirecharacteristicsforparticularapplicationsofsizeshallbebyagreementbetweenproducerandconsumerbasedoneitheraflashedmicrostructureasshownbyphotomicrographs,orondimensionalmeasurementlimitsdeterminedinaccordancewithTestMethodF269.
【中国标准分类号】:H63
【国际标准分类号】:29_060_10
【页数】:5P.;A4
【正文语种】: