1、Designation: B549 10Standard Specification forConcentric-Lay-Stranded Aluminum Conductors, Aluminum-Clad Steel Reinforced for Use in Overhead ElectricalConductors1This standard is issued under the fixed designation B549; the number immediately following the designation indicates the year oforiginal
2、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 concentric-lay-stranded con-ductors made f
3、rom round aluminum 1350-H19 (extra hard)aluminum wires and round aluminum-clad steel core wires foruse as overhead electrical conductors (Explanatory Note 1 andNote 2).1.2 The SI values of density and resistivity are to beregarded as standard. For all other properties the inch-poundunits are regarde
4、d as standard and the SI units may beapproximate.2. Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein.2.2 ASTM Standards:2B230/B230M Specification for Aluminum 1350H19 Wirefor Electrical
5、 PurposesB263 Test Method for Determination of Cross-SectionalArea of Stranded ConductorsB354 Terminology Relating to Uninsulated Metallic Elec-trical ConductorsB502 Specification for Aluminum-Clad Steel Core Wire forAluminum Conductors, Aluminum-Clad Steel ReinforcedE29 Practice for Using Significa
6、nt Digits in Test Data toDetermine Conformance with Specifications2.3 ANSI Standards:3ANSI C 42.100 Dictionary of Electrical and ElectronicsTermsANSI H 35.1 American National Standard Alloy and Tem-per Designation Systems for Aluminum2.4 Other Standard:NBS Handbook 100Copper Wire Tables of the Natio
7、nalBureau of Standards43. Terminology3.1 Description of Terms Specific to This Standard3.1.1 ACSR covered by this specification has one type ofsteel core wire which is designated by the following abbrevia-tion (Explanatory Note 2):3.1.1.1 ACSR/AWACSR using aluminum-clad steel wire(Explanatory Note 2
8、).4. Classification4.1 For the purpose of this specification, conductors areclassified as follows (Explanatory Note 1 and Note 2):4.1.1 Class AAFor bare conductors usually used in over-head lines. These conductors are used as follows:4.1.1.1 Conductors used for regular overhead line construc-tion an
9、d4.1.1.2 Conductors having a high ratio of mechanicalstrength to current-carrying capacity used for overhead groundwires and for extra-long span construction.4.1.2 Class AFor conductors to be covered with weather-resistant (weatherproof) materials.5. Ordering Information5.1 Orders for material under
10、 this specification shall includethe following information:5.1.1 Quantity of each size, stranding, and class,5.1.2 Conductor size: circular mil area or AWG of alumi-num wires (Section 9 and Table 1),5.1.3 Number of wires, aluminum, and aluminum-clad steel(Table 1),5.1.4 Direction of lay of outer lay
11、er of aluminum wires ifother than right-hand (see 8.2),5.1.5 Special tests, if required (see 15.3 and 15.5),5.1.6 Package size (see 17.1 and Explanatory Note 5),5.1.7 Special package marking, if required (Section 17),1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Co
12、nductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved April 1, 2010. Published May 2010. Originallyapproved in 1971. Last previous edition approved in 2004 as B549 04. DOI:10.1520/B0549-10.2For referenced ASTM standards, visit the ASTM
13、 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,
14、 http:/www.ansi.org.4Available from National Technical Information Service (NTIS), U.S. Depart-ment of Commerce, Alexandria, Virginia 22312, http:/www.ntis.gov.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 1 Construction Requ
15、irements of Concentric-Lay-Stranded Aluminum Conductors, Aluminum-Clad Steel ReinforcedACode NameBConductor SizeClassCStrandingConductorRatedStrengthConductorMass perUnit LengthCross-sectionalArea UsingOnlyAluminumStrand WiresApproximateCross-sectionalArea IncludingNominalAluminumArea in AWStrand Wi
16、resDAluminum Aluminum-Clad SteelNum-berofWiresNominalDiameterNum-berofWiresNominalDiameter(1000lbf) kNlb/1000ft kg/kmcmil mm2cmil mm2in. mm in. mmThrasher/AW 2312000 1171 2324300 1178 AA 76 0.1744 4.43 19 0.0814 2.07 55.3 246 2472 3679Kiwi/AW 2167000 1098 2176100 1103 AA 72 0.1735 4.41 7 0.1157 2.94
17、 49.1 218 2262 3366Bluebird/AW 2156000 1092 2173100 1101 AA 84 0.1602 4.07 19 0.0961 2.44 59.0 262 2437 3627Chukar/AW 1780000 902 1795200 910 AA 84 0.1456 3.70 19 0.0874 2.22 49.4 220 2013 2996Falcon/AW 1590000 806 1609800 816 AA 54 0.1716 4.36 19 0.1030 2.62 53.0 236 1960 2917Lapwing/AW 1590000 806
18、 1601200 811 AA 45 0.1880 4.78 7 0.1253 3.18 41.8 186 1746 2598Parrot/AW 1510500 765 1528200 774 AA 54 0.1672 4.25 19 0.1003 2.55 50.3 224 1860 2768Nuthatch/AW 1510500 765 1520500 770 AA 45 0.1832 4.65 7 0.1221 3.10 39.7 177 1658 2467Plover/AW 1431000 725 1448900 734 AA 54 0.1628 4.14 19 0.0977 2.48
19、 47.7 212 1764 2625Bobolink/AW 1431000 725 1440200 730 AA 45 0.1783 4.53 7 0.1189 3.02 37.6 167 1570 2336Martin/AW 1351500 685 1367700 693 AA 54 0.1582 4.02 19 0.0949 2.41 45.1 201 1665 2478Dipper/AW 1351500 685 1360100 689 AA 45 0.1733 4.40 7 0.1155 2.93 35.5 158 1483 2207Pheasant/AW 1272000 645 12
20、87700 652 AA 54 0.1535 3.90 19 0.0921 2.34 42.4 189 1568 2333Bittern/AW 1272000 645 1280600 649 AA 45 0.1681 4.27 7 0.1121 2.85 33.4 149 1396 2078Skylark/AW 1272000 645 1275400 646 AA 36 0.1880 4.78 1 0.1880 4.78 25.7 114 1272 1893Grackle/AW 1192500 604 1206700 611 AA 54 0.1486 3.77 19 0.0892 2.27 4
21、0.2 179 1470 2188Bunting/AW 1192500 604 1201000 609 AA 45 0.1628 4.14 7 0.1085 2.76 31.3 139 1309 1948Finch/AW 1113000 564 1127800 571 AA 54 0.1436 3.65 19 0.0862 2.19 37.5 167 1373 2043Bluejay/AW 1113000 564 1120500 568 AA 45 0.1573 4.00 7 0.1049 2.66 29.3 130 1222 1819Curlew/AW 1033500 524 1046100
22、 530 AA 54 0.1383 3.51 7 0.1383 3.51 35.6 158 1274 1896Ortolan/AW 1033500 524 1040000 527 AA 45 0.1515 3.85 7 0.1010 2.57 27.1 121 1134 1688Tanager/AW 1033500 524 1035800 525 AA 36 0.1694 4.30 1 0.1694 4.30 21.1 94 1033 1537Cardinal/AW 954000 483 966100 490 AA 54 0.1329 3.38 7 0.1329 3.38 32.9 146 1
23、177 1752Rail/AW 954000 483 960400 487 AA 45 0.1456 3.70 7 0.0971 2.47 25.4 113 1047 1558Catbrid/AW 954000 483 956600 485 AA 36 0.1628 4.14 1 0.1628 4.14 19.5 87 954 1420Canary/AW 900000 456 911400 462 AA 54 0.1291 3.28 7 0.1291 3.28 31.0 138 1111 1653Ruddy/AW 900000 456 906100 459 AA 45 0.1414 3.59
24、7 0.0943 2.40 24.0 107 988 1470Mallary/AW 795000 403 812700 412 AA 30 0.1628 4.14 19 0.0977 2.48 37.1 165 1160 1726Condor/AW 795000 403 805000 408 AA 54 0.1213 3.08 7 0.1213 3.08 27.8 124 980 1458Tern/AW 795000 403 800400 406 AA 45 0.1329 3.38 7 0.0886 2.25 21.5 96 872 1298Drake/AW 795000 403 807600
25、 409 AA 26 0.1749 4.44 7 0.1360 3.45 30.5 136 1041 1549Cuckoo/AW 795000 403 805000 408 AA 24 0.1820 4.62 7 0.1213 3.08 27.5 122 981 1460Coot/AW 795000 403 797200 404 AA 36 0.1486 3.77 1 0.1486 3.77 16.6 74 795 1183Redwing/AW 715500 363 730900 370 AA 30 0.1544 3.92 19 0.0926 2.35 33.4 149 1043 1552St
26、arling/AW 715500 363 727400 369 AA 26 0.1659 4.21 7 0.1290 3.28 27.5 122 936 1393Stilt/AW 715500 363 725000 367 AA 24 0.1727 4.39 7 0.1151 2.92 24.8 110 883 1314Gannet/AW 666600 338 676600 343 AA 26 0.1601 4.07 7 0.1245 3.16 26.0 116 872 1298Flamingo/AW 666600 338 675400 342 AA 24 0.1667 4.23 7 0.11
27、11 2.82 23.1 103 823 1225Egret/AW 636000 322 650200 329 AA 30 0.1456 3.70 19 0.0874 2.22 29.9 133 928 1381Sooter/AW 636000 322 650500 330 AA 30 0.1456 3.70 7 0.1456 3.70 29.3 130 935 1391Grosbeak/AW 636000 322 646100 327 AA 26 0.1564 3.97 7 0.1216 3.09 24.8 110 832 1238Rook/AW 636000 322 644000 326
28、AA 24 0.1628 4.14 7 0.1085 2.76 22.0 98 785 1168Swift/AW 636000 322 637700 323 AA 36 0.1329 3.38 1 0.1329 3.38 13.6 61 636 946Kingbird/AW 636000 322 639400 324 AA 18 0.1880 4.78 1 0.1880 4.78 15.0 67 676 1006Teal/AW 605000 307 618400 313 AA 30 0.1420 3.61 19 0.0852 2.16 28.5 127 883 1314Wood Duck/AW
29、 605000 307 618800 314 AA 30 0.1420 3.61 7 0.1420 3.61 28.4 126 889 1323Squab/AW 605000 307 614600 311 AA 26 0.1525 3.87 7 0.1186 3.01 23.6 105 791 1177Peacock/AW 605000 307 612700 310 AA 24 0.1588 4.03 7 0.1059 2.69 21.0 93 747 1112Eagle/AW 556500 282 569700 289 AA 30 0.1362 3.46 7 0.1362 3.46 26.8
30、 119 818 1217Dove/AW 556500 282 564800 286 AA 26 0.1463 3.72 7 0.1138 2.89 21.9 97 728 1083Parakeet/AW 556500 282 564000 286 AA 24 0.1523 3.87 7 0.1015 2.58 19.3 86 687 1022Ospray/AW 556500 282 559000 283 AA 18 0.1758 4.47 1 0.1758 4.47 13.2 59 591 880Hen/AW 477000 242 487900 247 AA 30 0.1261 3.20 7
31、 0.1261 3.20 23.4 104 701 1043Hawk/AW 477000 242 484600 246 AA 26 0.1354 3.44 7 0.1053 2.68 18.9 84 624 929Flicker/AW 477000 242 483000 245 AA 24 0.1410 3.58 7 0.0940 2.39 16.7 74 589 877B549 102TABLE 1 ContinuedCode NameBConductor SizeClassCStrandingConductorRatedStrengthConductorMass perUnit Lengt
32、hCross-sectionalArea UsingOnlyAluminumStrand WiresApproximateCross-sectionalArea IncludingNominalAluminumArea in AWStrand WiresDAluminum Aluminum-Clad SteelNum-berofWiresNominalDiameterNum-berofWiresNominalDiameter(1000lbf) kNlb/1000ft kg/kmcmil mm2cmil mm2in. mm in. mmPelican/AW 477000 242 479600 2
33、43 AA 18 0.1628 4.14 1 0.1628 4.14 11.5 51 507 755Lark/AW 397500 201 406000 206 AA 30 0.1151 2.92 7 0.1151 2.92 19.6 87 584 869Ibls/AW 397500 201 403300 204 AA 26 0.1236 3.14 7 0.0961 2.44 15.8 70 520 774Brant/AW 397500 201 403000 204 AA 24 0.1287 3.27 7 0.0858 2.18 14.1 63 491 731Chickadee/AW 39750
34、0 201 399200 202 AA 18 0.1486 3.77 1 0.1486 3.77 9.8 44 422 628Oriole/AW 336400 170 343700 174 AA 30 0.1059 2.69 7 0.1059 2.69 16.7 74 495 737Linnet/AW 336400 170 341300 173 AA 26 0.1137 2.89 7 0.0884 2.25 13.5 60 440 655Merlin/AW 336400 170 337800 171 AA 18 0.1367 3.47 1 0.1367 3.47 8.5 38 357 531O
35、strich/AW 300000 152 304800 154 AA 26 0.1074 2.73 7 0.0835 2.12 12.1 54 392 583Partridge/AW 266800 135 271200 137 AA 26 0.1013 2.57 7 0.0788 2.00 10.8 48 349 519Waxwing/AW 266800 135 268400 136 AA 18 0.1217 3.09 1 0.1217 3.09 6.8 30 283 421#4/0 Penguin/AW211600 107 215400 109 AA,A 6 0.1878 4.77 1 0.
36、1878 4.77 7.7 34 277 412Cochin/AW 211300 107 223000 113 AA(+) 12 0.1327 3.37 7 0.1327 3.37 19.8 88 477 710Brahma/AW 203200 103 220700 112 AA(+) 16 0.1127 2.86 19 0.0977 2.48 27.1 121 601 894Dorking/AW 190800 96.7 201900 102 AA(+) 12 0.1261 3.20 7 0.1261 3.20 18.3 81 431 641Dotterel/AW 176900 89.6 18
37、7100 95 AA(+) 12 0.1214 3.08 7 0.1214 3.08 16.9 75 399 594#3/0 Pigeon/AW167800 85.0 170700 86.5 AA,A 6 0.1672 4.25 1 0.1672 4.25 6.3 28 219 326Guinea/AW 159000 80.6 168000 85.1 AA(+) 12 0.1151 2.92 7 0.1151 2.92 15.3 68 359 534#3/0 (5/2)AWAC*152500 77.3 159000 80.6 AA(+) 5 0.1747 4.44 2 0.1747 4.44
38、9.7 43 281 418#3/0 (12/7)AWAC*141300 71.6 151300 76.7 AA(+) 4 0.1880 4.78 3 0.1880 4.78 14.2 63 373 555Leghorn/AW 134600 68.2 142700 72.3 AA(+) 12 0.1059 2.69 7 0.1059 2.69 13.0 58 304 452#2/0 Quail/AW 133100 67.4 135200 68.5 AA,A 6 0.1489 3.78 1 0.1489 3.78 5.1 23 174 259#2/0 (5/2)AWAC*121000 61.3
39、125700 63.7 AA(+) 5 0.1556 3.95 2 0.1556 3.95 8.0 36 223 332#2/0 (4/3)AWAC*112100 56.8 120200 60.9 AA(+) 4 0.1674 4.25 3 0.1674 4.25 11.9 53 296 441Minorca/AW 110800 56.1 117300 59.4 AA(+) 12 0.0961 2.44 7 0.0961 2.44 10.8 48 250 372#1/0Raven/AW105600 53.5 107700 54.6 AA,A 6 0.1327 3.37 1 0.1327 3.3
40、7 4.3 19 138 205Petrel/AW 101800 51.6 107800 54.6 AA(+) 12 0.0921 2.34 7 0.0921 2.34 9.9 44 230 342#2/0 (3/4)AWAC*99830 50.6 113000 57.3 AA(+) 3 0.1824 4.63 4 0.1824 4.63 16.4 73 395 588#1/0 (5/2)AWAC*95910 48.6 99700 50.5 AA(+) 5 0.1385 3.52 2 0.1385 3.52 6.6 29 177 263#1/0 (4/3)AWAC*88800 45.0 955
41、00 48.4 AA(+) 4 0.1490 3.79 3 0.1490 3.79 9.7 43 234 348#1 Robin/AW 83690 42.4 85400 43.3 AA,A 6 0.1181 3.00 1 0.1181 3.00 3.5 15 109 162Grouse/AW 80000 40.5 82700 41.9 AA(+) 8 0.1000 2.54 1 0.1670 4.24 4.9 22 138 205#1/0 (3/4)AWAC*79130 40.1 89300 45.2 AA(+) 3 0.1624 4.13 4 0.1624 4.13 13.8 61 313
42、466#1 (5/2)AWAC*76080 38.6 79000 40.0 AA(+) 5 0.1234 3.13 2 0.1234 3.13 5.5 24 140 208#1 (4/3)AWAC*70480 35.7 75200 38.1 AA(+) 4 0.1327 3.37 3 0.1327 3.37 8.1 36 186 277#2 Sparate/AW 66360 33.6 67600 34.3 AA,A 7 0.0974 2.47 1 0.1299 3.30 3.5 16 100 149#2 Sparrow/AW 66360 33.6 67100 34.0 AA,A 6 0.105
43、2 2.67 1 0.1052 2.67 2.8 12 87 129#1/0 (2/5)AWAC*64920 32.9 80800 40.9 AA(+) 2 0.1802 4.58 5 0.1802 4.58 19.5 87 430 640#1 (3/4)AWAC*62770 31.8 71200 36.1 AA(+) 3 0.1446 3.67 4 0.1446 3.67 11.2 50 248 369#2 (5/2)AWAC*60340 30.6 62400 31.6 AA(+) 5 0.1099 2.79 2 0.1099 2.79 4.4 19 111 165B549 1035.1.8
44、 Lagging, if required (see 17.3), and5.1.9 Place of inspection (Section 16).6. Requirement for Wires6.1 Before stranding, the aluminum wires used shall meetall the requirements of Specification B230/B230M.6.2 Before stranding, the aluminum-clad steel core wiresused shall meet all the requirements of
45、 Specification B502.7. Joints7.1 Electric-butt welds, cold-pressure welds, or electric-butt, cold-upset welds in the finished individual aluminumwires composing the conductor may be made during thestranding process. No weld shall occur within 50 ft (15 m) ofa weld in the same wire or in any other wi
46、re of the completedconductor (Explanatory Note 1).7.2 There shall be no joints of any kind made in the finishedaluminum-clad steel wires.8. Lay8.1 The length of lay of the various layers of wires in aconductor shall conform to Table 2 (Explanatory Note 5).8.2 The direction of lay of the outside laye
47、r of wires shall beright hand unless otherwise specified in the purchase order.Thedirection of lay of the aluminum and aluminum-clad steel wiresshall be reversed in successive layers.9. Construction9.1 The number and diameter of aluminum and steel wiresand the areas of cross section of aluminum wire
48、s shall conformto the requirements prescribed in Table 1 and Fig. 1.9.2 Where compressed stranding is required in order toinsulate the conductor properly, one or more aluminum layersTABLE 1 ContinuedCode NameBConductor SizeClassCStrandingConductorRatedStrengthConductorMass perUnit LengthCross-sectio
49、nalArea UsingOnlyAluminumStrand WiresApproximateCross-sectionalArea IncludingNominalAluminumArea in AWStrand WiresDAluminum Aluminum-Clad SteelNum-berofWiresNominalDiameterNum-berofWiresNominalDiameter(1000lbf) kNlb/1000ft kg/kmcmil mm2cmil mm2in. mm in. mm#2 (4/3)AWAC*55890 28.3 60100 30.5 AA(+) 4 0.1182 3.00 3 0.1182 3.00 6.6 29 147 219#3 Swallow/AW 52620 26.7 53900 27.3 A 6 0.0937 2.38 1 0.0937 2.38 2.2 10 69 103#1 (2/5)AWAC*51500 26.1 64600 32.7 AA(+) 2 0.1605 4.08 5 0.1605 4.08 16.5 73 341 507#2 (3/4)AWAC*49780 25.2 56500 28.6 AA(+) 3 0.1288 3.27 4 0.1288 3.27 9.7 43 1
