1、Designation: B232/B232M 17Standard Specification forConcentric-Lay-Stranded Aluminum Conductors, Coated-Steel Reinforced (ACSR)1This standard is issued under the fixed designation B232/B232M; the number immediately following the designation indicates the yearof original adoption or, in the case of r
2、evision, 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 aluminum 1350-H19 (
3、extra hard)wires and round, coated steel core wire(s) for use as overheadelectrical conductors (Explanatory Note 1 and ExplanatoryNote 2).1.2 ACSR covered by this specification has nine types ofcoated steel core wire which are designated by abbreviations asfollows (Explanatory Note 2):1.2.1 ACSR/GA
4、or ACSR/GA2ACSR using Class A zinc-coated steel wire,1.2.2 ACSR/GC or ACSR/GC2ACSR using Class C zinc-coated steel wire,1.2.3 ACSR/MA or ACSR/MA2ACSR using Class A Zn-5A1-MM coated steel wire,1.2.4 ACSR/HS or ACSR/GA3ACSR using Class A zinc-coated high-strength steel wires,1.2.5 ACSR/MS or ACSR/MA3A
5、CSR using Class A Zn-5A1-MM coated high-strength steel wires,1.2.6 ACSR/GA4ACSR using Class A zinc-coated extra-high-strength steel wires,1.2.7 ACSR/MA4ACSR using Class A Zn-5A1-MMcoated extra-high-strength steel wires,1.2.8 ACSR/GA5ACSR using Class A zinc-coated ultra-high-strength steel wires,1.2.
6、9 ACSR/MA5ACSR using Class A Zn-5Al-MM coatedultra-high-strength steel wires.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the o
7、ther. Combiningvalues from the two systems may result in non-conformancewith the standard.1.4 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 standard to establish appro-priate safety, health and enviro
8、nmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 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 Standard
9、s, 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 specification to theextent referenced herein:2.2 ASTM Standards:2
10、B230/B230M Specification for Aluminum 1350H19 Wirefor Electrical PurposesB263 Test Method for Determination of Cross-SectionalArea of Stranded ConductorsB354 Terminology Relating to Uninsulated Metallic Electri-cal ConductorsB498/B498M Specification for Zinc-Coated (Galvanized)Steel Core Wire for Us
11、e in Overhead Electrical Conduc-torsB500/B500M Specification for Metallic Coated or Alumi-num Clad Stranded Steel Core for Use in OverheadElectrical ConductorsB606 Specification for High-Strength Zinc-Coated (Galva-nized) Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel ReinforcedB8
12、02/B802M Specification for Zinc5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for AluminumConductors, Steel Reinforced (ACSR)B803 Specification for High-Strength Zinc5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use inOverhead Electrical ConductorsB957 Specification for Extra-High-S
13、trength and Ultra-High-Strength Zinc-Coated (Galvanized) Steel Core Wire for1This specification is under the jurisdiction of ASTM Committee B01 onElectrical Conductors and is the direct responsibility of Subcommittee B01.07 onConductors of Light Metals.Current edition approved Sept. 1, 2017. Publish
14、ed September 2017. Originallyapproved in 1948. Last previous edition approved in 2011 as B232/B232M 11.DOI: 10.1520/B0232_B0232M-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume inform
15、ation, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardizatio
16、n 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.1Overhead Electrical ConductorsB958 Specification for Extra-High-Strength and Ultra-High-Strength C
17、lass A Zinc5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Use in Overhead ElectricalConductorsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.3 ANSI Document
18、s:ANSI H35.1 American National Standard Alloy and TemperDesignation Systems for Aluminum3ANSI H35.1M American National Standard for Alloy andTemper Designations Systems for Aluminum Metric32.4 NIST Document:NBS Handbook 100Copper Wire Tables42.5 Aluminum Association Document:Publication 50, Code Wor
19、ds for Overhead Aluminum Elec-trical Conductors53. Terminology3.1 Definitions:3.1.1 Galvanizedzinc coated.3.1.2 Aluminizedaluminum coated.3.2 Abbreviations:3.2.1 Zn-5A1-MMzinc-5 % aluminum-mischmetal alloy.3.2.2 ACSRaluminum conductor, steel reinforced.3.2.3 ACSR/GA or ACSR/GA2reinforced with galvan
20、izedsteel core wire, coating Class A in accordance with Specifica-tion B498/B498M.3.2.4 ACSR/GC or ACSR/GC2reinforced with galvanizedsteel core wire, coating Class C in accordance with Specifica-tion B498/B498M.3.2.5 ACSR/HS or ACSR/GA3reinforced with high-strength galvanized steel core wire in acco
21、rdance with Speci-fication B606.3.2.6 ACSR/MA or ACSR/MA2reinforced with Zn-5A1-MM coated steel core wire, coating ClassAin accordancewith Specification B802/B802M.3.2.7 ACSR/MS or ACSR/MA3reinforced with high-strength Zn-5A1-MM coated steel core wire in accordancewith Specification B803.3.2.8 ACSR/
22、MA4reinforced with extra-high-strength Zn-5A1-MM coated steel core wire in accordance with Specifica-tion B958.3.2.9 ACSR/GA4reinforced with extra-high-strength gal-vanized steel core wire in accordance with Specification B957.3.2.10 ACSR/MA5reinforced with ultra-high-strength Zn-5A1-MM coated steel
23、 core wire in accordance with Specifica-tion B958.3.2.11 ACSR/GA5reinforced with ultra-high-strength gal-vanized steel core wire in accordance with Specification B957.4. Classification4.1 For the purpose of this specification conductors areclassified as follows (Explanatory Notes 1 and 2):4.1.1 Clas
24、s AAFor bare conductors usually used in over-head lines. These conductors are divided into two types asfollows:4.1.1.1 Conductors used for regular over-head lineconstruction, and4.1.1.2 Conductors having a high ratio of mechanicalstrength to current-carrying capacity used for overhead groundwires an
25、d for extra-long span construction. These are denotedunder the Class column in Table 1 and Table 2 as “(HS)” forHigh Strength.4.1.2 Class AFor conductors to be covered with weather-resistant materials.5. Ordering Information5.1 Orders for material under this specification shall includethe following
26、information:5.1.1 Quantity of each size, stranding, and class,5.1.2 Conductor size, circular-mil area or AWG (Section 9and Table 1),5.1.3 Number of wires, aluminum and steel (see Tables 1-5),5.1.4 Type of steel core wire and type and area density (ifapplicable) of coating (see 6.2),5.1.5 Direction o
27、f lay of outer layer of aluminum wires ifother than right-hand (see 8.3),5.1.6 Special tension test, if desired (see 15.3),5.1.7 Place of inspection (Section 16),5.1.8 Package size and type (see 17.1),5.1.9 Heavy wood lagging, if required (see 17.3), and5.1.10 Special package marking, if required (s
28、ee 17.4).6. Requirement for Wires6.1 Before stranding, the aluminum wire used shall meet therequirements of Specification B230/B230M.6.2 Before stranding, the steel core wire used shall meet therequirements of Specification B498/B498M, B606, B802/B802M, B803, B957,orB958, whichever is applicable.7.
29、Joints7.1 Electric-butt welds, cold-pressure welds, and 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 wire of the completedcondu
30、ctor (Explanatory Note 3).7.2 There shall be no joints of any kind made in the finishedzinc-coated or zinc-5% aluminum-mischmetal alloy coatedsteel wires.8. Lay8.1 The length of lay of the various layers of aluminumwires in a conductor shall conform to Table 5 (see ExplanatoryNote 4).3Available from
31、 American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from National Institute of Standards and Technology (NIST), 100Bureau Dr., Stop 1070, Gaithersburg, MD 20899-1070, http:/www.nist.gov.5Available from Aluminum Association, Inc.,
32、 1525 Wilson Blvd., Suite 600,Arlington, VA 22209, http:/www.aluminum.org.B232/B232M 172TABLE 1 Construction Requirements of Aluminum Conductors, Steel Reinforced (ACSR)SizeCodeWordsAClassStrandingDesignAluminum/SteelStrandingNominalO.D. ofConductors,in.Mass,lb/1000 ftAluminum Wires Steel Wirescmil
33、AWG NumberDiameter,in.Layers NumberDiameter,in.Layers2 312 000 . . . Thrasher AA 76/19 76 0.1744 4 19 0.0814 2 1.802 25232 167 000 . . . Kiwi AA 72/7 72 0.1735 4 7 0.1157 1 1.735 23012 156 000 . . . Bluebird AA 84/19 84 0.1602 4 19 0.0961 2 1.762 25081 780 000 . . . Chukar AA 84/19 84 0.1456 4 19 0.
34、0874 2 1.602 20721 590 000 . . . Falcon AA 54/19 54 0.1716 3 19 0.1030 2 1.545 20421 590 000 . . . Lapwing AA 45/7 45 0.1880 3 7 0.1253 1 1.504 17901 510 500 . . . Parrot AA 54/19 54 0.1672 3 19 0.1003 2 1.505 19381 510 500 . . . Nuthatch AA 45/7 45 0.1832 3 7 0.1221 1 1.466 17001 431 000 . . . Plov
35、er AA 54/19 54 0.1628 3 19 0.0977 2 1.465 18381 431 000 . . . Bobolink AA 45/7 45 0.1783 3 7 0.1189 1 1.427 16111 351 500 . . . Martin AA 54/19 54 0.1582 3 19 0.0949 2 1.424 17351 351 500 . . . Dipper AA 45/7 45 0.1733 3 7 0.1155 1 1.386 15211 272 000 . . . Pheasant AA 54/19 54 0.1535 3 19 0.0921 2
36、1.382 16341 272 000 . . . Bittern AA 45/7 45 0.1681 3 7 0.1121 1 1.345 14321 272 000 . . . Skylark AA 36/1 36 0.1880 3 1 0.1880 0 1.316 12861 192 500 . . . Grackle AA 54/19 54 0.1486 3 19 0.0892 2 1.338 15311 192 500 . . . Bunting AA 45/7 45 0.1628 3 7 0.1085 1 1.302 13421 113 000 . . . Finch AA 54/
37、19 54 0.1436 3 19 0.0862 2 1.293 14301 113 000 . . . Bluejay AA 45/7 45 0.1573 3 7 0.1049 1 1.259 12541 033 500 . . . Curlew AA 54/7 54 0.1383 3 7 0.1383 1 1.245 13291 033 500 . . . Ortolan AA 45/7 45 0.1515 3 7 0.1010 1 1.212 11631 033 500 . . . Tanager AA 36/1 36 0.1694 3 1 0.1694 0 1.186 1044954
38、000 . . . Cardinal AA 54/7 54 0.1329 3 7 0.1329 1 1.196 1227.1954 000 . . . Rail AA 45/7 45 0.1456 3 7 0.0971 1 1.165 1074954 000 . . . Catbird AA 36/1 36 0.1628 3 1 0.1628 0 1.140 964900 000 . . . Canary AA 54/7 54 0.1291 3 7 0.1291 1 1.162 1158900 000 . . . Ruddy AA 45/7 45 0.1414 3 7 0.0943 1 1.1
39、31 1013795 000 . . . Mallard AA 30/19 30 0.1628 2 19 0.0977 2 1.140 1233.9795 000 . . . Condor AA 54/7 54 0.1213 3 7 0.1213 1 1.092 1022795 000 . . . Tern AA 45/7 45 0.1329 3 7 0.0886 1 1.063 895795 000 . . . Drake AA 26/7 26 0.1749 2 7 0.1360 1 1.108 1093795 000 . . . Cuckoo AA 24/7 24 0.1820 2 7 0
40、.1213 1 1.092 1023795 000 . . . Coot AA 36/1 36 0.1486 3 1 0.1486 0 1.040 803.6715 500 . . . Redwing AA 30/19 30 0.1544 2 19 0.0926 2 1.081 1109.3715 500 . . . Starling AA 26/7 26 0.1659 2 7 0.1290 1 1.051 983.7715 500 . . . Stilt AA 24/7 24 0.1727 2 7 0.1151 1 1.036 921666 600 . . . Gannet AA 26/7
41、26 0.1601 2 7 0.1245 1 1.014 916.2666 600 . . . Flamingo AA 24/7 24 0.1667 2 7 0.1111 1 1.000 857.9636 000 . . . Egret AA 30/19 30 0.1456 2 19 0.0874 2 1.019 987.2636 000 . . . Scoter AA 30/7 30 0.1456 2 7 0.1456 1 1.019 995.1636 000 . . . Grosbeak AA 26/7 26 0.1564 2 7 0.1216 1 0.990 874.2636 000 .
42、 . . Rook AA 24/7 24 0.1628 2 7 0.1085 1 0.977 818.2636 000 . . . Swift AA 36/1 36 0.1329 3 1 0.1329 0 0.930 642.8636 000 . . . Kingbird AA 18/1 18 0.1880 2 1 0.1880 0 0.940 689.9605 000 . . . Teal AA 30/19 30 0.1420 2 19 0.0852 2 0.994 938.6605 000 . . . Wood Duck AA 30/7 30 0.1420 2 7 0.1420 1 0.9
43、94 946.5605 000 . . . Squab AA 26/7 26 0.1525 2 7 0.1186 1 0.966 831.3605 000 . . . Peacock AA 24/7 24 0.1588 2 7 0.1059 1 0.953 778.8556 500 . . . Eagle AA 30/7 30 0.1362 2 7 0.1362 1 0.953 870.7556 500 . . . Dove AA 26/7 26 0.1463 2 7 0.1138 1 0.927 765.2556 500 . . . Parakeet AA 24/7 24 0.1523 2
44、7 0.1015 1 0.914 716.1556 500 . . . Osprey AA 18/1 18 0.1758 2 1 0.1758 0 0.879 603.3477 000 . . . Hen AA 30/7 30 0.1261 2 7 0.1261 1 0.883 746.4477 000 . . . Hawk AA 26/7 26 0.1354 2 7 0.1053 1 0.858 655.3477 000 . . . Flicker AA 24/7 24 0.1410 2 7 0.0940 1 0.846 613.9477 000 . . . Pelican AA 18/1
45、18 0.1628 2 1 0.1628 0 0.814 517.3397 500 . . . Lark AA 30/7 30 0.1151 2 7 0.1151 1 0.806 621.8397 500 . . . Ibis AA 26/7 26 0.1236 2 7 0.0961 1 0.783 546.0397 500 . . . Brant AA 24/7 24 0.1287 2 7 0.0858 1 0.772 511.4397 500 . . . Chickadee AA 18/1 18 0.1486 2 1 0.1486 0 0.743 431.0336 400 . . . Or
46、iole AA 30/7 30 0.1059 2 7 0.1059 1 0.741 526.4336 400 . . . Linnet AA 26/7 26 0.1137 2 7 0.0884 1 0.720 462.0336 400 . . . Merlin AA 18/1 18 0.1367 2 1 0.1367 0 0.684 364.8300 000 . . . Ostrich AA 26/7 26 0.1074 2 7 0.0835 1 0.680 412.2266 800 . . . Partridge AA 26/7 26 0.1013 2 7 0.0788 1 0.642 36
47、6.9266 800 . . . Waxwing AA 18/1 18 0.1217 2 1 0.1217 0 0.609 289.1211 600 0000 Penguin AA, A 6/1 6 0.1878 1 1 0.1878 0 0.563 290.8211 300 . . . Cochin AA (HS) 12/7 12 0.1327 1 7 0.1327 1 0.664 526.8203 200 . . . Brahma AA (HS) 16/19 16 0.1127 1 19 0.0977 2 0.714 674.6190 800 . . . Dorking AA (HS) 1
48、2/7 12 0.1261 1 7 0.1261 1 0.631 475.7176 900 . . . Dotterel AA (HS) 12/7 12 0.1214 1 7 0.1214 1 0.607 440.9B232/B232M 1738.2 The length of lay of the various layers of steel wire shallconform to the requirements of B500/B500M.8.3 The direction of lay of the outside layer of aluminumwires shall be r
49、ight hand unless otherwise specified in thepurchaser order. The direction of lay of the aluminum and steelwires shall be reversed in successive layers.8.4 In a conductor having multiple layers of aluminumwires, the lay ratio of any aluminum layer shall be not greaterthan the lay ratio of the aluminum layer immediately beneathit. Similarly, in a conductor having multiple layers of steelwires in the core, the lay ratio of a steel layer shall not begreater than the lay ratio of the steel layer immediately beneathit.9. Construction9.
