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1、Designation:A363?03(Reapproved2014)StardSpecificationfZincCoated(Galvanized)SteelOverheadGroundWireStr1ThisstardisissuedunderthefixeddesignationA363thenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladopt

2、ioninthecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thisspecificationcovershighstrengthextrahig

3、hstrengthutilitiesgradesofconcentriclaysteelwirestrcomposedofthreewiressevenwireswithClassAClassBClassCzinccoatingsspecificallyintendedfuseasoverheadgroundwiresstaticwiresfelectricpowertransmissionlines.1.2Thevaluesstate

4、dininchpoundunitsaretoberegardedasstard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedfinfmationonlyarenotconsideredstard.2.ReferencedDocuments2.1ASTMStards:A90A90MTestMethodfWeight[Mass]of

5、CoatingonIronSteelArticleswithZincZincAlloyCoatingsA902TerminologyRelatingtoMetallicCoatedSteelProductsB6SpecificationfZinc3.Terminology3.1Definitions—FdefinitionsoftermsusedinthisspecificationrefertoTerminologyA902.4.de

6、ringInfmation4.1dersfstrpurchasedunderthisspecificationshallincludethefollowinginfmation:4.1.1Quantityofeachsize4.1.2Sizegradeofstr(Table1)4.1.3Classofzinccoating(Section11Table2).4.1.4ASTMdesignationyearofissue.5.Materi

7、alsManufacture5.1Thebasemetalshallbesteelproducedbyanycommerciallyacceptedsteelmakingprocessshallbeofsuchqualitypuritythatwhendrawntothesizeofwirespecifiedcoatedwithzincthefinishedstrwillhavethepropertiesacteristicspresc

8、ribedinthisspecification.5.2TheslabzincwhenusedfthecoatingshallbeanygradeofzincconfmingtoSpecificationB6.6.String6.1Thestrshallhavealeftlaywithaunifmpitchofnotmethan16timesthenominaldiameterofthestr.Aleftlayisdefinedasac

9、ounterclockwisetwistawayfromtheobserver.Stringshallbesufficientlyclosetoensurenosignificantreductionindiameterwhenstressedto10%oftheminimumbreakingstrength.7.PrefmingStr7.1Prefmedstrshallbesuppliedwhensospecifiedbythepur

10、chaser.Strisprefmedwhenthecomponentwiresaresettothehelicalfmwhichtheyassumeintheproductbyanymeansofprocessotherthanbymerelylayingthemaboutthestrce.8.BreakingStrengthWeight8.1Theapproximateweightperunitlengthofstrtheminim

11、umbreakingstrengthofthefinishedstrshallbeasspecifiedinTable1.8.2Atestinwhichthebreakingstrengthisbelowtheminimumspecifiedwhichmayhavebeencausedbytheslippingofthespecimeninthejawsofthetestingmachinebybreakingwithinthejaws

12、within1in.(25.4mm)ofthejawsbytheimpropersocketingofaspecimenshallbedisregardedanothersamplefromthesamecoilreelshallbetested.9.Elongation9.1Theelongationofthestrin24in.(610mm)determinedasspecifiedin9.2shallbenotlessthan5%

13、fthehighstrengthfthe5?16in.(7.94mm)3wireutilitiesgrades4%ftheextrahighstrengthfthe?in.(9.52mm)7wireUtilitiesgrades.9.2Theelongationshallbemeasuredasthepercentageincreaseinseparationbetweenthejawsofthetestingmachine1Thiss

14、pecificationisunderthejurisdictionofASTMCommitteeA05onMetallicCoatedIronSteelProductsisthedirectresponsibilityofSubcommitteeA05.12onWireSpecifications.CurrenteditionapprovedAug.12014.PublishedSeptember2014.iginallyapprov

15、edin1952.Lastpreviouseditionapprovedin2009asA363–03(2009)ε1.DOI:10.1520A036303R14.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates117.Inspection17.1Themanufacturershallaffdthei

16、nspectrepresentingthepurchaserallreasonablefacilitiestosatisfyhimthatthematerialisbeingfurnishedinaccdancewiththisspecification.Alltestsinspectionshallbemadeonthefinishedstrattheplaceofmanufacturepritoshipmentshallbesoco

17、nductedasnottointerfereunnecessarilywiththeoperationofthewks.18.Rejection18.1Incasethereisareasonabledoubtinthefirsttrialastothefailureofthewirestrtomeetanyrequirementofthisspecificationtwoadditionaltestsshallbemadeonsam

18、plesofwirestrfromthesamecoilreeliffailureoccursineitheroftheseteststhestrshallberejected.19.PackagingPackageMarking19.1Thecompletedstrshallbefurnishedonreelssufficientlysturdytowithstnmalserviceincidenttoshippinghaulingf

19、ielderection.19.2Thecompletedstrshallbefurnishedinromlengths.Atleast95%ofthelengthsshallbewithintheminimummaximumlimitsshowninTable3.Notmethan5%ofatotallengthderedmaybefurnishedinlengthswhicharebelowtheminimumlimitsshown

20、inTable3butwhicharenotlessthan1500ft(457m)long.Eachreelshallbeclearlymarkedtoshowthelengthofthestrcontainedthereon.19.3Eachreelshallhaveastrongtagsecurelyfastenedtoitshowingthenameofthematerial“groundwirestr”thelengthsiz

21、egradeofthestrclassofcoatingASTMSpecificationA363thenamemarkofthemanufacturer.20.Keywds20.1coatedoverheadstrsteelwirestrzinccoatedoverheadstrASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedi

22、nconnectionwithanyitemmentionedinthisstard.Usersofthisstardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrightstheriskofinfringementofsuchrightsareentirelytheirownresponsibility.Thisstardissubjecttorevi

23、sionatanytimebytheresponsibletechnicalcommitteemustbereviewedeveryfiveyearsifnotrevisedeitherreapprovedwithdrawn.YourcommentsareinvitedeitherfrevisionofthisstardfadditionalstardsshouldbeaddressedtoASTMInternationalHeadqu

24、arters.Yourcommentswillreceivecarefulconsiderationatameetingoftheresponsibletechnicalcommitteewhichyoumayattend.IfyoufeelthatyourcommentshavenotreceivedafairhearingyoushouldmakeyourviewsknowntotheASTMCommitteeonStardsatt

25、headdressshownbelow.ThisstardiscopyrightedbyASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959UnitedStates.Individualreprints(singlemultiplecopies)ofthisstardmaybeobtainedbycontactingASTMattheaboveaddr

26、essat6108329585(phone)6108329555(fax)(email)throughtheASTMwebsite(www.astm.g).PermissionrightstophotocopythestardmayalsobesecuredfromtheCopyrightClearanceCenter222RosewoodDriveDanversMA01923Tel:(978)6462600TABLE3RangeofS

27、trLengthsperReelfatLeast95%oftheCompletedStrNominalDiameterofStrin.(mm)NumberofWiresinStrLengthinFeet(metres)ofStrPerReelfatLeast95%ofthederMinMax5?16(7.94)34700(1430)7900(2410)5?16(7.94)74800(1460)7700(2350)A3?8(9.52)73

28、600(1100)5800(1770)A7?16(11.11)74700(1430)7900(2410)1?2(12.7)73600(1100)6100(1860)APurchasersmayprocuremaximumlengthsupto12000ft(3660m)f5?16in.(7.94mm)diameterstrupto9400ft(2860m)f3?8in.(9.52mm)diameterstr.A363?03(2014)3

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