1、Designation: B524/B524M 18Standard Specification forConcentric-Lay-Stranded Aluminum Conductors, Aluminum-Alloy Reinforced (ACAR, 1350/6201)1This standard is issued under the fixed designation B524/B524M; the number immediately following the designation indicates the yearof original adoption or, in
2、the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers concentric-lay-stranded con-ductors made from round alumin
3、um 1350-H19 (extra hard)wires and round aluminum-alloy 6201-T81 (hard: solution heattreated, cold worked, and then artificially aged) core wires foruse as overhead electrical conductors (Explanatory Note 1).NOTE 1The aluminum, alloy, and temper designations conform toANSI H35.1/ANSI H35.1M. Aluminum
4、 1350 and Alloy 6201 corre-spond to unified numbering system A91350 and A96201, respectively, inaccordance with Practice E527.1.2 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 informa
5、tion onlyand are not considered standard.1.2.1 For density, resistivity and temperature, the valuesstated in SI units are to be regarded as standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this s
6、tandard to establish appro-priate safety, health, and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decisio
7、n on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this speci
8、fication to theextent referenced herein:2.2 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB230/B230M Specification for Aluminum 1350H19 Wirefor Electrical PurposesB263 Test Method for Determination of Cross-SectionalArea of Stranded ConductorsB354 Terminology Relat
9、ing to Uninsulated Metallic Electri-cal ConductorsB398/B398M Specification for Aluminum-Alloy 6201-T81and 6201-T83 Wire for Electrical PurposesB682 Specification for Standard Metric Sizes of ElectricalConductorsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Speci
10、ficationsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.3 ANSI Standard:ANSI H35.1 American National Standard for Alloy andTemper Designation Systems for Aluminum3ANSI H35.1M American National Standard for Alloy andTemper Designation Systems for Aluminum32.4 NIST
11、 Document:NBS Handbook 100 Copper Wire Tables43. Ordering Information3.1 Orders for material under this specification shall includethe following information:3.1.1 Quantity of each size and stranding;3.1.2 Conductor size (see 7.1);3.1.3 Total number of wires, aluminum 1350 and aluminumalloy 6201 (Tab
12、le 1 or Table 2);3.1.4 Direction of lay of outer layer of wires if other thanright-hand (see 6.2);3.1.5 Special tension test, if required (see 8.2);1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.07 onCo
13、nductors of Light Metals.Current edition approved March 1, 2018. Published March 2018. Originallyapproved in 1970. Last previous edition approved in 2015 as B0524/B524M 99(2015). DOI: 10.1520/B0524_B0524M-18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Custome
14、r 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, http:/www.ansi.org.4Available from National I
15、nstitute of Standards and Technology (NIST), 100Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http:/www.nist.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with interna
16、tionally 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.1TABLE 1 Construction Requirements of Concentric-La
17、y-Stranded Aluminum Conductors, Aluminum Alloy ReinforcedConductor SizeRequired Construction Recommended Package SizesANumberof WiresBDiameterof WiresNominalOutsideDiameterReelDesignationApproximateLength of EachPieceApproximateMass of EachLengthCcmil AWG mm2in. mm in. mm ft m lb kg3 000 000 1520 91
18、 0.1816 4.613 1.998 50.74 RMT 90.45 3 200 975 9 100 41302 750 000 1393 91 0.1738 4.415 1.912 48.56 RMT 90.45 3 490 1065 9 100 41302 500 000 1267 91 0.1657 4.209 1.823 46.30 RMT 90.45 3 840 1170 9 100 41302 493 000 1263 91 0.1655 4.204 1.8207 46.25 RMT 96.60 6 500 1981 15 400 69702 338 000 1185 61 0.
19、1958 4.973 1.7620 44.75 RMT 96.60 7 500 2286 16 700 75402 250 000 1140 91 0.1572 3.993 1.729 43.92 RMT 90.45 4 270 1300 9 100 41302 000 000 1013 91 0.1482 3.764 1.630 41.40 RMT 90.45 4 850 1480 9 100 41302 000 000 1013 61 0.1811 4.600 1.630 41.40 RMT 90.45 5 200 1585 9 760 44251 933 000 979 61 0.178
20、0 4.522 1.6021 40.69 RMT 96.60 9 200 2804 16 700 75701 900 000 963 61 0.1765 4.483 1.588 40.35 RMT 90.45 5 470 1665 9 760 44251 800 000 912 61 0.1718 4.364 1.546 39.28 RMT 90.45 5 780 1760 9 760 44251 798 000 911 61 0.1717 4.361 1.5452 39.25 RMT 96.60 9 200 2804 15 600 70401 750 000 887 61 0.1694 4.
21、303 1.525 38.73 RMT 90.45 5 940 1810 9 760 44251 703 000 863 61 0.1671 4.244 1.8380 46.68 RMT 96.60 9 000 2743 14 400 65301 700 000 861 61 0.1669 4.239 1.502 38.15 RMT 90.45 6 120 1865 9 760 44251 600 000 811 61 0.1620 4.115 1.458 37.04 RMT 90.45 6 500 1980 9 760 44251 534 400 777 61 0.1586 4.028 1.
22、4274 36.26 RMT 96.60 10 000 3048 14 400 65301 500 000 760 61 0.1568 3.983 1.411 35.85 RMT 90.45 6 930 2110 9 760 44251 400 000 709 61 0.1515 3.848 1.364 34.63 RMT 90.45 7 430 2265 9 760 44251 361 500 690 61 0.1494 3.795 1.3446 34.15 RMT 96.60 11 250 3429 14 400 65301 300 000 659 61 0.1460 3.708 1.31
23、4 33.37 RMT 90.45 8 000 2440 9 760 44251 300 000 659 37 0.1874 4.760 1.312 33.32 RMT 84.45 6 065 1850 7 400 33551 277 000 647 61 0.1447 3.675 1.3022 33.08 RMT 96.60 12 000 3658 14 400 65201 250 000 633 61 0.1431 3.635 1.288 32.72 RMT 90.45 8 320 2535 9 760 44251 250 000 633 37 0.1838 4.669 1.287 32.
24、70 RMT 84.45 6 310 1920 7 400 33551 200 000 608 61 0.1403 3.564 1.263 32.08 RMT 90.45 8 660 2640 9 760 44251 200 000 608 37 0.1801 4.575 1.261 32.02 RMT 84.45 6 565 2000 7 400 33551 198 000 607 37 0.1799 4.570 1.2596 31.99 RMT 96.60 12 850 3917 14 500 65501 172 000 594 37 0.1780 4.521 1.2458 31.64 R
25、MT 96.60 14 400 4389 15 900 71801 109 000 562 37 0.1731 4.397 1.2119 30.78 RMT 96.60 13 850 4221 14 500 65401 100 000 557 61 0.1343 3.411 1.209 30.70 RMT 90.45 9 450 2880 9 760 44251 100 000 557 37 0.1724 4.379 1.207 30.65 RMT 84.45 7 160 2180 7 400 33551 080 600 548 37 0.1709 4.341 1.1963 30.39 RMT
26、 96.60 15 600 4755 15 800 71701 024 500 519 37 0.1664 4.227 1.1648 29.59 RMT 96.60 15 000 4572 14 500 65401 000 000 507 61 0.1280 3.251 1.152 29.26 RMT 90.45 10 400 3170 9 760 44251 000 000 507 37 0.1644 4.176 1.151 29.23 RMT 84.45 7 880 2400 7 400 3355950 000 481 37 0.1602 4.069 1.121 28.48 RMT 84.
27、45 8 300 2530 7 400 3355927 200 470 37 0.1583 4.021 1.1081 28.15 RMT 90.45 10 400 3170 9 050 4110900 000 456 37 0.1560 3.962 1.092 27.73 RMT 84.45 8 760 2670 7 400 3355853 700 433 37 0.1519 3.858 1.0633 27.01 RMT 96.60 18 000 5486 14 500 6540850 000 431 37 0.1516 3.851 1.061 26.96 RMT 84.45 9 270 28
28、25 7 400 3355800 000 405 37 0.1470 3.734 1.029 26.14 RMT 84.45 9 850 3000 7 400 3355750 000 380 37 0.1424 3.617 0.997 25.32 RMT 84.45 10 510 3200 7 400 3355739 800 375 37 0.1414 3.592 0.9898 25.14 RMT 90.45 13 010 3965 9 020 4090700 000 355 37 0.1375 3.493 0.962 24.45 RMT 84.45 11 260 3430 7 400 335
29、5653 100 331 19 0.1854 4.709 0.9270 23.55 RMT 84.45 9 910 3021 6 070 2760650 000 329 37 0.1325 3.366 0.928 23.56 RMT 84.45 12 130 3695 7 400 3355649 500 329 37 0.1325 3.365 0.9274 23.56 NR 66.28 6 890 2100 4 200 1910600 000 304 37 0.1273 3.233 0.891 22.63 RMT 84.45 13 140 4005 7 400 3355600 000 304
30、19 0.1777 4.513 0.888 22.56 RM 66.32 6 750 2060 3 800 1725NR 66.28587 200 298 19 0.1758 4.465 0.8790 22.33 NR 66.28 8 030 2448 4 430 2010550 000 279 37 0.1219 3.096 0.853 21.67 RMT 84.45 14 330 4365 7 400 3355550 000 279 19 0.1701 4.321 0.850 21.60 RM 66.32 7 360 2245 3 800 1725NR 66.28503 600 255 1
31、9 0.1628 4.135 0.8140 20.68 NR 66.28 8 030 2448 3 800 1730500 000 253 37 0.1162 2.951 0.813 20.66 RMT 84.45 15 765 4805 7 400 3355500 000 253 19 0.1622 4.120 0.811 20.60 RM 66.32 8 100 2470 3 800 1725NR 66.28450 000 228 19 0.1539 3.909 0.770 19.54 RM 66.32 9 000 2745 3 800 1725NR 66.28400 000 203 19
32、 0.1451 3.685 0.726 18.42 RM 66.32 10 120 3085 3 800 1725NR 66.28350 000 177 19 0.1357 3.447 0.678 17.24 RM 66.32 11 560 3530 3 800 1725NR 66.28300 000 152 19 0.1257 3.193 0.628 15.96 RM 66.32 13 490 4115 3 800 1725NR 66.28250 000 127 19 0.1147 2.913 0.574 14.56 RM 66.32 16 190 4940 3 800 1725NR 66.
33、28B524/B524M 1823.1.6 Place of inspection (see 14.1);3.1.7 Package size and type (see 16.1);3.1.8 Heavy wood lagging, if required (Section 16); and3.1.9 Special package marking, if required (Section 15).4. Requirement for Wires4.1 Before stranding, the 1350-H19 wire used shall meet therequirements o
34、f Specification B230/B230M.4.2 Before stranding, the 6201-T81 wire used shall meet therequirements of Specification B398/B398M.5. Joints5.1 In conductors composed of seven wires, only cold-pressure welds and electric butt, cold-upset welds may be madein the six outer finished wires. No welds are per
35、mitted in thecenter core wire. In other conductors, cold-pressure welds,electric-butt, cold-upset welds, or electric-butt welds may bemade in the finished wires. Such joints in the same wire or anyother wire in the conductor shall be not closer than prescribedin Table 3. Following welding, electric-
36、butt welds in 6201wires shall be annealed for a distance of at least 6 in. (150 mm)on each side of the weld (Explanatory Note 2).6. Lay6.1 The preferred lay of a layer of wires is 13.5 times theoutside diameter of that layer, but the lay shall be not less than10 nor more than 16 times this diameter.
37、6.2 The direction of lay of the outer layer shall be right-handunless specified otherwise by the purchaser. The direction oflay shall be reversed in successive layers.6.3 In a conductor having multiple layers of aluminumwires, the lay ratio of any aluminum layer shall not be greaterthan the lay rati
38、o of the aluminum layer immediately beneathit.7. Construction7.1 The number and diameter of wires and the areas of crosssection of conductors shall conform to the requirementsprescribed in Table 1 or Table 2.7.2 Recommended standard strandings are as shown inTable 4.8. Strength of Conductor8.1 The r
39、ated strength of completed conductors shall betaken as the aggregate strength of the aluminum 1350 and thealuminum-alloy 6201 components, calculated as follows. Thestrength contribution of the aluminum 1350 wires shall betaken as the percentage indicated in Table 6, of the sum of thestrengths of the
40、 aluminum 1350 wires, calculated from theirspecified nominal wire diameter and the appropriate specifiedminimum average tensile strength given in Specification B230/B230M. The strength contribution of the aluminum-alloy 6201wires shall be taken as that percentage, according to thenumber of layers of
41、 aluminum-alloy 6201 wires, indicated inTable 6, of the sum of the strengths of the aluminum-alloy6201 wires, calculated from their specified nominal wirediameter and the minimum stress at 1 % extension. This shallbe considered to be 95 % of the minimum average tensilestrength specified for the wire
42、 diameter in Specification B398/B398M.8.2 Tests for determining the rated strength of the completedconductor are not required by this specification but may bemade if agreed upon by the manufacturer and the purchaser atthe time of placing an order. If tested, the breaking strength ofthe completed con
43、ductor shall be not less than the ratedstrength if failure occurs in the free length at least 1 in. (25mm) beyond the end of either gripping device, or shall be notless than 95 % of the rated strength if failure occurs inside, orwithin 1 in. (25 mm) of the end of, either gripping device(Explanatory
44、Note 3).TABLE 1 ContinuedConductor SizeRequired Construction Recommended Package SizesANumberof WiresBDiameterof WiresNominalOutsideDiameterReelDesignationApproximateLength of EachPieceApproximateMass of EachLengthCcmil AWG mm2in. mm in. mm ft m lb kg246 900 125 7 0.1878 4.770 0.563 14.31 NR 36.22 3
45、 020 920 700 318211 600 4/0 107 7 0.1739 4.417 0.522 13.25 NR 36.22 3 525 1075 700 318195 700 99.1 7 0.1672 4.247 0.502 12.74 NR 36.22 3 810 1165 700 318167 800 3/0 85.0 7 0.1548 3.932 0.464 11.80 NR 36.22 4 445 1355 700 318155 400 78.7 7 0.1490 3.785 0.447 11.35 NR 36.22 4 800 1465 700 318133 100 2
46、/0 67.4 7 0.1379 3.503 0.414 10.52 NR 36.22 5 605 1710 700 318123 300 62.5 7 0.1327 3.371 0.398 10.11 NR 36.22 6 050 1845 700 318105 600 1/0 53.5 7 0.1228 3.119 0.368 9.35 NR 36.22 7 065 2155 700 31877 470 39.3 7 0.1052 2.672 0.316 8.03 NR 36.22 9 630 2940 700 31866 360 2 33.6 7 0.0974 2.474 0.292 7
47、.42 NR 36.22 11 235 3430 700 31848 690 24.7 7 0.0834 2.118 0.250 6.35 NR 36.22 15 315 4675 700 31841 740 4 21.2 7 0.0772 1.961 0.232 5.89 NR 36.22 17 855 5455 700 31830 580 15.5 7 0.0661 1.679 0.198 5.03 NR 36.22 24 390 7445 700 318ASee Table 4 for dimensions of standard reels.BRecommended standard
48、stranding combinations are shown in Table 5.CSee Table 7 for mass per unit length for each stranding.B524/B524M 183TABLE 2 Construction Requirements, Mass, Mass Per Unit Length, Recommended Reel Sizes, and Shipping Lengths of ConductorsNOTE 1The sizes in boldface type indicate those preferred sizes
49、from Specification B682.ConductorSize,mm2Diameter ofWires,mmConductorDiameter,mmMass per Unit LengthARelated StrengthkNRecommended Package SizesB1350, kg/km 6201, kg/km Total, kg/km Reel Designa-tionCNominal Length ofEach Piece, mNominal Mass ofEach Length, kgStranding 72/191600 4.73 52.03 3559 934 4493 283 RMT 90.45 960 43151400 4.43 48.73 3092 812 3904 248 RMT 90.45 1060 41401250 4.18 45.98 2753 723 3476 221 RMT 90.45 1185 41201120 3.96 43.56 2471 648 3119 198 RMT 90.45 1320 41201000 3.74 41.14 2204 578 2782 180 RMT 90.45 1495 4160Stranding 63/281600 4.73 52.03 3114 13
