【英文标准名称】:StandardSpecificationforShapedWireCompactConcentric-Lay-StrandedAluminumConductors,Steel-Reinforced(ACSR/TW)
【原文标准名称】:钢筋加强的异型钢丝致密同芯绞捻铝导线标准规范
【标准号】:ASTMB779-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:B01.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:导电体;有色金属;金属线;钢;增强的;绞线;电气元件;电气工程;铝
【英文主题词】:wire;compact;concentric-lay-stranded;aluminumconductors;steel-reinforced;ACSR/TW
【摘要】:1.1Thisspecificationcoversshapedwirecompactconcentric-lay-strandedaluminumconductor,steel-reinforced(ACSR/TW)anditscomponentwiresforuseasoverheadelectricalconductors(ExplanatoryNote1and2).1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandardwiththeexceptionoftemperature,density,andresistivity.TheSIequivalentsofinch-poundunitsmaybeapproximate.Note18212;ACSR/TWisdesignedtoincreasethealuminumareaforagivendiameterofconductorbytheuseoftrapezoidallyshapedwires(TW).Theconductorsconsistofacentralcoreofroundsteelwire(s)surroundedbytwoormorelayersoftrapezoidalaluminum1350-H19wires.Differentstrandingsofthesamesizeofconductorareidentifiedbytype,whichistheapproximateratioofsteelareatoaluminumareaexpressedinpercent(Table1,Table2andTable3).Forthepurposeofthisspecification,thesizeslistedinTable1andTable2aretabulatedonthebasisofthefinishedconductorhavinganareaoroutsidediameterequaltothatofspecificsizesofstandardACSRsoastofacilitateconductorselection.Note28212;ThealuminumandtemperdesignationsconformtoANSIStandardH35.1.Aluminum1350correspondstoUnifiedNumberingSystem(UNS)A91350inaccordancewithPracticeE527.
【中国标准分类号】:K11
【国际标准分类号】:29_240_20
【页数】:6P.;A4
【正文语种】: