欢迎来到天天文库
浏览记录
ID:44055164
大小:792.83 KB
页数:11页
时间:2019-10-18
《IS 613 2000 COPPER RODS AND BARS FOR ELECTRICAL PURPOSES》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、IS613:2000IndianStandardCOPPERRODSANDBARSFORELECTRICALPURPOSES-SPECIFICATION(ThirdRevision)ICS77.150.3b0BIS2000BUREAUOFINDIANSTANDARDSMANAKBHAVAN,9BAHADURSHAHZAFARMARGNEWDELHI110002Jutle2000PriceGroup4CopperandCopperAlloysSectionalCommittee,MTD8FOREWORDThi
2、sIndianStandard(ThirdRevision)wasadoptedbytheBureauofIndianStandards,afterthedraftfinalizedbytheCopperandCopperAlloysSectionalCommitteehadbeenapprovedbytheMetallurgicalEngineeringDivisionCouncil.Thisstandardwasfirstpublishedin1954andsubsequentlyrevisedin19
3、64and1984.Inthisrevisionthefollowingmodificationshavebeenmade:/a)Straightnessvalueof3mmforevery1000mmhasbeenadded.b)Clauseonedgewisebendinghasbeendeleted.c)Radiusonedgeshavebeenmodifiedandnowgivenindetail.d)Inhalf-hardcondition,hardnessvaluesspecifiedas70t
4、o90HV.e)Referenceofcathodecopperhasbeendeleted.f)Conductivityandresistivityvaluesforhalf-hardandhardtemperconditionhavebeenmodified.g)Dimensionsandtolerancesforround,square,rectangularandhexagonalrods/barshavebeenincluded.h)Tableonmechanicalpropertieshasbe
5、enmodified.j)Clauseonbendtesthasbeenadded.Forthepurposeofdeciding~whetheraparticularrequirementofthisstandardiscompliedwiththefinalvalue,observedorcalculated,expressingtheresultofatestoranalysis,shallberoundedoffinaccordancewithIS2:1960Rulesforroundingoffn
6、umericalvalues(revised).Thenumberofsignificantplacesretainedintheroundedoffvalueshouldbethesameasthatofthespecifiedvalueinthisstandard.IS613:2000ZndianStandardCOPPERRODSANDBARSFORELECTRICALPURPOSES-SPECIFICATION(ThirdRevision)1SCOPE4.2MinimumCross-Sectiona
7、lDimensionThisstandardcoverstherequirementsforcopperrodsThediameterinthecaseofrounds,widthacrossflatsandbarsforelectricalpurposes.inthecaseofsquareandhexagonalshapes,thesmallersidewidthinthecaseofrectangularrods.2REFERENCES5PHYSICALCONSTANTSThefollowingInd
8、ianStandardscontainprovisionswhichthroughreferenceinthistext,constitute5.1TheconstantsgiveninAnnexAarebasedonprovisionofthisstandard.Atthetimeofpublication,standardsfixedbytheInternationalElectrotechnicalthee
此文档下载收益归作者所有