ASTM D348-2007 电气绝缘使用刚性管的标准试验方法

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【英文标准名称】:StandardTestMethodsforRigidTubesUsedforElectricalInsulation
【原文标准名称】:电气绝缘使用刚性管的标准试验方法
【标准号】:ASTMD348-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D09.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;电气工程;电绝缘;绝缘管;绝缘;管道;刚性管;试验;管
【英文主题词】:compressivestrength;density;dielectricstrength;dissipationfactor;permittivity;rigidtubes;tensilestrength;thermosettinglaminate;vulcanizedfibre;waterabsorption
【摘要】:Tensiontests,properlyinterpreted,provideinformationwithregardtothetensilepropertiesofrigidtubing,whenemployedunderconditionsapproximatingthoseunderwhichthetestsaremade.Thetensilestrengthvaluesmayvarywiththesizeofthetubeandwiththetemperatureandatmosphericconditions.Tensiontestsmayprovidedataforresearchanddevelopmentandforengineeringdesign,andareusefulforqualitycontrolpurposes.1.1Thesetestmethodscoverthetestingofrigidtubesusedinelectricalinsulation.Thesetubesincludemanytypesmadefromfibroussheetsofbasicmaterials,suchascellulose,glass,ornylon,intheformofpaper,wovenfabrics,ormats,bondedtogetherbynaturalorsyntheticresinsorbyadhesives.Suchtubesincludevulcanizedfiberandthermosettinglaminates,aswellastubesmadefromcast,molded,orextrudednaturalorsyntheticresins,withorwithoutfillersorreinforcingmaterials.1.2Tubestestedbythesetestmethodsaremostcommonlycircularincrosssection;however,noncircularshapesarealsoincommercialuse.Totheextentthattheindividualmethodsarecompatiblewithaparticularnoncircularshape,thesetestmethodsareapplicabletotheseothershapes.Fortestsonnoncirculartubes,appropriatecommentsshouldbeincludedinthetestreport,includingdetailsoforientationoftestspecimenswithrespecttothecrosssectionofthetube.1.3Theproceduresappearinthefollowingsections:1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.SIunitsinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,see27.1.1.
【中国标准分类号】:K15
【国际标准分类号】:29_120_10
【页数】:6P.;A4
【正文语种】:


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基本信息
标准名称:综采用刮板输送机产品质量分等
中标分类: 矿业 >> 矿山机械设备 >> 提升、贮运设备
发布日期:1995-12-18
实施日期:1996-05-01
首发日期:
作废日期:2004-08-17
起草单位:煤炭工业部煤矿专用设备标准化技术委员会刮板输送机分会
出版日期:
页数:7页
适用范围

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前言

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引用标准

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所属分类: 矿业 矿山机械设备 提升 贮运设备
【英文标准名称】:Copperandcopperalloys-Ingotsandcastings
【原文标准名称】:铜和铜合金.铸锭和铸件
【标准号】:BSEN1982-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-03-15
【实施或试行日期】:1999-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:硬度测量;晶体微观结构;延伸;材料的机械性能;漏泄试验;定货;铸造工艺;铜合金;名称与符号;铜;粒度;合格证明书;铸锭;包装;弹性极限应力;材料的电学性质;作标记;检验;等级(质量);试样制备;铸件;抗拉试验;符号;机械试验;电导性;电气试验;成份允差;化学成分
【英文主题词】:Castmaterials;Castings;Chemicalcomposition;Composition;Conformity;Copper;Copperalloys;Definition;Definitions;Designations;Ingotmetals;Marking;Materialdesignations;Materialproperties;Mechanicalproperties;Non-ferrousmetals;Orderindications;Samplingmethods;Specification(approval);Symbols;Tables(data);Testcertificates;Testing
【摘要】:ThisEuropeanStandardspecifiesthecomposition,mechanicalpropertiesandotherrelevantcharacteristicsofthematerials.Thesamplingproceduresandtestmethodsfortheverificationofconformitytotherequirementsofthisstandardarealsospecified.Thisstandardisapplicableto:a)copperalloyingotsintendedtoberemeltedfortheproductionofcastings;andb)copperandcopperalloycastingswhichareintendedforusewithoutsubsequentworkingotherthanmachining.Thecastingsmaybemanufacturedbythesand,permanentmould,centrifugal,continuousorpressurediecastingprocess.RecommendedpracticefortheorderingandsupplyofcastingsisincludedinannexA.OptionalsupplementaryinspectionproceduresforingotsandcastingsareincludedinannexB.
【中国标准分类号】:H62
【国际标准分类号】:77_150_30
【页数】:36P.;A4
【正文语种】:英语