ASTM B779-2018 Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors Steel-Reinforced (ACSR TW)《型钢增强异型钢丝紧密同心绞合铝导线的标准规范(ACSR TW)》.pdf
《ASTM B779-2018 Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors Steel-Reinforced (ACSR TW)《型钢增强异型钢丝紧密同心绞合铝导线的标准规范(ACSR TW)》.pdf》由会员分享,可在线阅读,更多相关《ASTM B779-2018 Standard Specification for Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors Steel-Reinforced (ACSR TW)《型钢增强异型钢丝紧密同心绞合铝导线的标准规范(ACSR TW)》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: B779 18Standard Specification forShaped Wire Compact Concentric-Lay-Stranded AluminumConductors, Steel-Reinforced (ACSR/TW)1This standard is issued under the fixed designation B779; the number immediately following the designation indicates the year oforiginal adoption or, in the case o
2、f revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers shaped wire compactconcentric-lay-stranded aluminum conductor, steel
3、-reinforced(ACSR/TW) and its component wires for use as overheadelectrical conductors (Explanatory Note 1 and Note 2).1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onl
4、yand are not considered standard.NOTE 1ACSR/TW is designed to increase the aluminum area for agiven diameter of conductor by the use of trapezoidally shaped wires(TW). The conductors consist of a central core of round steel wire(s)surrounded by two or more layers of trapezoidal aluminum 1350-H19wire
5、s. Different strandings of the same size of conductor are identified bytype, which is the approximate ratio of steel area to aluminum areaexpressed in percent (Table 1, Table 2 and Table 3). For the purpose of thisspecification, the sizes listed in Table 1 and Table 2 are tabulated on thebasis of th
6、e finished conductor having an area or outside diameter equal tothat of specific sizes of standard ACSR so as to facilitate conductorselection.NOTE 2The aluminum and temper designations conform to ANSIStandard H 35.1. Aluminum 1350 corresponds to Unified NumberingSystem (UNS) A91350 in accordance wi
7、th Practice E527.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization Tec
8、hnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B230/B230M Specification for Aluminum 1350H19 Wirefor Electrical PurposesB232/B232M Specification for Concentric-Lay-StrandedAluminum Conductors, Coated-Steel Reinforced (ACSR)B263 Test Method for Determination of Cro
9、ss-SectionalArea of Stranded ConductorsB354 Terminology Relating to Uninsulated Metallic Electri-cal ConductorsB498/B498M Specification for Zinc-Coated (Galvanized)Steel Core Wire for Use in Overhead Electrical Conduc-torsB500/B500M Specification for Metallic Coated or Alumi-num Clad Stranded Steel
10、Core for Use in OverheadElectrical ConductorsB502 Specification for Aluminum-Clad Steel Core Wire forUse in Overhead Electrical Aluminum ConductorsB549 Specification for Concentric-Lay-Stranded AluminumConductors, Aluminum-Clad Steel Reinforced for Use inOverhead Electrical ConductorsB606 Specificat
11、ion for High-Strength Zinc-Coated (Galva-nized) Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel ReinforcedB802/B802M Specification for Zinc5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for AluminumConductors, Steel Reinforced (ACSR)B803 Specification for High-Strength Zinc5
12、% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use inOverhead Electrical ConductorsB1006 Specification for Electrical Overhead ConductorCode Word NamesE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE527 Practice for Numbering Metals and Allo
13、ys in theUnified Numbering System (UNS)2.2 Other Documents:ANSI H35.1 American National StandardAlloy and TemperDesignation Systems for Aluminum3NBS Handbook 100 Copper Wire Tables of the NationalBureau of Standards41This specification is under the jurisdiction of ASTM Committee B01 onElectrical Con
14、ductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved March 1, 2018. Published March 2018. Originallyapproved in 1987. Last previous edition approved in 2014 as B779 14. DOI:10.1520/B0779-18.2For referenced ASTM standards, visit the AST
15、M website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036
16、, http:/www.ansi.org.4Available from National Technical Information Service (NTIS), 5285 PortRoyal Rd., Springfield, VA 22161, http:/www.ntis.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed
17、 in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1TABLE1ConstructionRequi
18、rementsforShapedWireCompactConcentric-Lay-StrandedAluminumConductors,CoatedSteelReinforcedSizetoHaveAreaEqualtoACSR,ClassAACodeWordAACSR/TWConductorSizeSizeandStrandingofACSRwithEqualAreaNumberofAluminumWiresNumberofLayersSteelCoreStrandingMassperUnitLength,Blb/1000ftRatedStrength, 1000lbCNominal Ou
19、tsideDiameter,Ein.kcmilDTypekcmilStrandingNumberofWiresDiameter,in.MerlinTW336.46336.418/114210.13673658.60.63FlickerTW477.013477.024/718270.094061317.20.78HawkTW477.016477.026/718270.105365519.40.79ParakeetTW556.513556.524/718270.101571520.00.84DoveTW556.516556.526/720270.113876522.60.85KingbirdTW6
20、36.03636.036/127310.132964613.50.85RookTW636.013636.024/718270.108581622.90.89GrosbeakTW636.016636.026/720270.121687425.40.91TernTW795.07795.045/717270.088689221.00.96PuffinFTW795.010F795.022/718270.1108F97525.90.98CondorTW795.013795.054/720270.1213102128.20.99DrakeTW795.016795.026/720270.1360109231
21、.81.01PhoenixTW954.05954.042/730370.0837102923.71.05RailTW954.07954.045/732370.0971107525.91.06CardinalTW954.013954.054/720270.1329122633.51.08SnowbirdTW1033.551033.542/730370.0871111525.71.09OrtolanTW1033.571033.545/732370.1010116528.11.10CurlewTW1033.5131033.554/721270.1383132736.31.13AvocetTW1113
22、.051113.042/730370.0904120127.51.13BluejayTW1113.071113.045/733370.1049125430.31.14FinchTW1113.0131113.054/19383190.0862142939.11.19OxbirdTW1192.551192.542/730370.0936128629.51.17BuntingTW1192.571192.545/733370.1085134332.41.18GrackleTW1192.5131192.554/19383190.0892153041.91.22ScissortailTW1272.0512
23、72.042/730370.0967137231.41.20BitternTW1272.071272.045/735370.1121143334.61.22PheasantTW1272.0131272.054/19393190.0921163244.11.26DipperTW1351.571351.545/735370.1155152236.71.26MartinTW1351.5131351.554/19393190.0949173446.81.30BobolinkTW1431.071431.045/736370.1189161338.91.29PloverTW1431.0131431.054
24、/19393190.0977183649.61.34LapwingTW1590.071590.045/736370.1253179242.21.36FalconTW1590.0131590.054/19423190.1030204055.11.41ChukarTW1780.081780.084/19373190.0874206350.71.45BluebirdTW2156.082156.084/19644190.0961251561.11.61ACodewordsshowninthiscolumnareobtainedfromSpecificationB1006.Theyareprovided
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMB7792018STANDARDSPECIFICATIONFORSHAPEDWIRECOMPACTCONCENTRICLAYSTRANDEDALUMINUMCONDUCTORSSTEELREINFORCEDACSRTW
链接地址:http://www.mydoc123.com/p-462250.html