ASTM B902-2004a(2010) Standard Specification for Compressed Round Stranded Copper Conductors Hard Medium-Hard or Soft Using Single Input Wire Construction《单输入金属线结构的硬质 半硬质或软质压缩圆铜绞线的.pdf
《ASTM B902-2004a(2010) Standard Specification for Compressed Round Stranded Copper Conductors Hard Medium-Hard or Soft Using Single Input Wire Construction《单输入金属线结构的硬质 半硬质或软质压缩圆铜绞线的.pdf》由会员分享,可在线阅读,更多相关《ASTM B902-2004a(2010) Standard Specification for Compressed Round Stranded Copper Conductors Hard Medium-Hard or Soft Using Single Input Wire Construction《单输入金属线结构的硬质 半硬质或软质压缩圆铜绞线的.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: B902 04a (Reapproved 2010)Standard Specification forCompressed Round Stranded Copper Conductors, Hard,Medium-Hard, or Soft Using Single Input Wire Construction1This standard is issued under the fixed designation B902; the number immediately following the designation indicates the year o
2、foriginal adoption or, in the case of 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 stranded conductors madefrom rou
3、nd copper wires, either uncoated or coated with tin,lead, or lead alloy for general use in insulated conductorassemblies for electrical purposes. These conductors shall becomposed of one or more roller shaped or die closed layers ofhelically laid wires using the single input wire (SIW) method-ology.
4、 (see Note 1 and Explanatory Note 1)NOTE 1Sealed conductors which are intended to prevent longitudinalwater propagation and are further covered/insulated, are also permittedwithin the guidelines of this specification.1.2 The values stated in inch-pound or SI units are to beregarded separately as sta
5、ndard. The values in each system arenot exact equivalents; therefore, each system shall be usedindependently of the other. Combining values from the twosystems may result in nonconformance with the specification.1.2.1 For density, resistivity, and temperature, the valuesstated in SI units are to be
6、regarded as standard.2. Referenced Documents2.1 ASTM Standards:2B1 Specification for Hard-Drawn Copper WireB2 Specification for Medium-Hard-Drawn Copper WireB3 Specification for Soft or Annealed Copper WireB33 Specification for Tin-Coated Soft or Annealed CopperWire for Electrical Purposes3B189 Spec
7、ification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical PurposesB193 Test Method for Resistivity of Electrical ConductorMaterialsB246 Specification for Tinned Hard-Drawn and Medium-Hard-Drawn Copper Wire for Electrical PurposesB263 Test Method for Determination of Cross-Secti
8、onalArea of Stranded ConductorsB354 Terminology Relating to Uninsulated Metallic Elec-trical Conductors2.2 Other Standard:4NBS Handbook 100: Copper Wire Tables3. Classification3.1 The conductors described in this specification are in-tended for subsequent insulation or covering. The classificationof
9、 these conductors is SIW compressed.4. Ordering Information4.1 Orders for material under this specification shall includethe following information:4.1.1 Quantity of each size,4.1.2 Conductor size: circular-mil area orAWG (see Section7),4.1.3 Class: SIW compressed (see 1.2 and Table 1),4.1.4 Temper (
10、see 5.3),4.1.5 Whether coated or uncoated; if coated (see 5.1 and5.2).4.1.6 Details of special-purpose lays, if required (see 7.3).4.1.7 When physical tests shall be made (see 10.2 and 10.3).4.1.8 Package size (see 16.1).4.1.9 Lagging, if required (see 16.2).4.1.10 Special package marking, if requir
11、ed (see Section16.3), and4.1.11 Place of inspection (see Section 15).5. Requirements for Wires5.1 The purchaser shall designate the type of wire and thekind of coating, if any, to be used in the conductor.5.2 Before stranding, the copper wire used shall meet all ofthe requirements of the following s
12、pecifications of ASTM thatare applicable to its type:5.2.1 Specification B3,5.2.2 Specification B33,5.2.3 Specification B2,5.2.4 Specification B1,1This specification is under the jurisdiction of ASTM Committee B01 ofElectrical Conductors and is the direct responsibility of Subcommittee B01.04 onCond
13、uctors of Copper and Copper Alloys.Current edition approved Oct. 1, 2010. Published December 2010. Originallyapproved in 2000. Last previous edition approved in 2004 as B902 04a. DOI:10.1520/B0902-04AR10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Se
14、rvice at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from National Technical Information Service, 5285 Port Royal Road,Springfield, VA 22161.1Copyright ASTM International, 100 Barr Harbor
15、Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2.5 Specification B189, and5.2.6 Specification B246.5.3 In SIW compressed conductors, the central core shall bemade of wire of the same type and temper as the concentriclayers, unless otherwise specified.6. Joints6.1 Welds and bra
16、zes may be made in rods or in wires priorto final drawing. Welds and brazes may be made in the finishedindividual wires composing the conductor, but shall not becloser together than prescribed in Table 2.7. Lay7.1 For stranded conductors, the lay length of a layer ofwires shall be not less than 8 no
17、r more than 16 times the outerdiameter of the finished conductor. For conductors of 37 wiresor more, this requirement shall apply to the wires in the outertwo layers only.TABLE 1 Construction Requirements of Compressed Round SIW Standard Copper ConductorsCompressed Strand DimensionsConductor SizeMin
18、imumNumber ofNominalDiameterof SIWCompressedConductor,NominalDiameterof SIWCompressedConductor, Mass DC Resistance at 20Ccmils AWG mm2Wires in. mm. lb/1000ft kg/km V/1000ft V/km5 000 000 2534 217 2.424 61.57 15890 23649 0.00218 0.007154 500 000 2280 217 2.300 58.41 14300 21283 0.00242 0.007944 000 0
19、00 2027 217 2.168 55.07 12590 18738 0.00270 0.008863 500 000 1773 169 2.028 51.51 11020 16401 0.00308 0.010103 000 000 1520 169 1.878 47.69 9353 13920 0.00365 0.011972 500 000 1267 127 1.714 43.54 7794 11600 0.00428 0.014042 000 000 1013 127 1.533 38.94 6175 9190 0.00529 0.017351 900 000 962.7 127 1
20、.494 37.95 5866 8730 0.00557 0.018271 800 000 912.1 127 1.454 36.93 5558 8272 0.00588 0.019291 750 000 886.7 127 1.434 36.42 5403 8041 0.00604 0.019811 700 000 861.4 127 1.413 35.89 5249 7812 0.00622 0.020401 600 000 810.7 127 1.371 34.82 4940 7352 0.00661 0.021681 500 000 760.1 90 1.327 33.71 4631
21、6892 0.00705 0.023121 400 000 709.4 90 1.282 32.56 4323 6434 0.00756 0.024801 300 000 658.7 90 1.236 31.39 4014 5974 0.00814 0.026701 250 000 633.4 90 1.212 30.78 3859 5743 0.00847 0.027781 200 000 608.0 90 1.187 30.15 3705 5514 0.00882 0.028931 100 000 557.4 90 1.137 28.88 3396 5054 0.00962 0.03155
22、1 000 000 506.7 53 1.084 27.53 3088 4596 0.0106 0.0348900 000 456.0 53 1.028 26.11 2779 4136 0.0118 0.3087800 000 405.4 53 0.969 24.61 2470 3676 0.0132 0.0433750 000 380.0 53 0.939 23.85 2316 3447 0.0141 0.0462700 000 354.7 34 0.907 23.04 2161 3216 0.0151 0.0495650 000 329.4 34 0.874 22.20 2007 2987
23、 0.0163 0.0535600 000 304.0 34 0.840 21.34 1883 2802 0.0177 0.0581550 000 278.7 34 0.804 20.42 1698 2527 0.0192 0.0630500 000 253.4 30 0.766 19.46 1544 2298 0.0212 0.0695450 000 228.0 30 0.727 18.47 1389 2067 0.0235 0.0771400 000 202.7 24 0.685 17.40 1235 1838 0.0264 0.0866350 000 177.3 24 0.641 16.
24、28 1081 16.09 0.3002 0.0991300 000 152.0 18 0.594 15.09 926.3 1379 0.0353 0.1158250 000 126.7 18 0.542 13.77 771.9 1149 0.0423 0.1387211 600 0000 107.2 17 0.498 12.65 653.1 972.0 0.0500 0.1640167 800 000 85.03 15 0.443 11.25 518.1 771.1 0.0630 0.2066133 100 00 67.44 12 0.395 10.03 410.9 611.5 0.0795
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