1、Designation: B 232/B 232M 09Standard Specification forConcentric-Lay-Stranded Aluminum Conductors, Coated-Steel Reinforced (ACSR)1This standard is issued under the fixed designation B 232/B 232M; the number immediately following the designation indicates the yearof original adoption or, in the case
2、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 aluminum 1350-H
3、19 (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
4、/GA 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/
5、MA3ACSR 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,
6、1.2.9 ACSR/MA5ACSR using ClassAZn-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
7、 other. Combiningvalues from the two systems may result in non-conformancewith the standard.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:2B 230/B 230M Specific
8、ation for Aluminum 1350H19Wire for Electrical PurposesB 263 Test Method for Determination of Cross-SectionalArea of Stranded ConductorsB 354 Terminology Relating to Uninsulated Metallic Elec-trical ConductorsB 498/B 498M Specification for Zinc-Coated (Galvanized)Steel Core Wire for Use in Overhead E
9、lectrical ConductorsB 500/B 500M Specification for Metallic Coated StrandedSteel Core for Use in Overhead Electrical ConductorsB 606 Specification for High-Strength Zinc-Coated (Galva-nized) Steel Core Wire for Aluminum and Aluminum-Alloy Conductors, Steel ReinforcedB 802/B 802M Specification for Zi
10、nc5 % Aluminum-Mischmetal Alloy-Coated Steel Core Wire for AluminumConductors, Steel Reinforced (ACSR)B 803 Specification for High-Strength Zinc5 %Aluminum-Mischmetal Alloy-Coated Steel Core Wire forUse in Overhead Electrical ConductorsB 957 Specification for Extra-High-Strength and Ultra-High-Stren
11、gth Zinc-Coated (Galvanized) Steel Core Wirefor Overhead Electrical ConductorsB 958 Specification for Extra-High-Strength and Ultra-High-Strength Class A Zinc5% Aluminum-MischmetalAlloy-Coated Steel Core Wire for Use in Overhead Elec-trical ConductorsE29 Practice for Using Significant Digits in Test
12、 Data toDetermine Conformance with SpecificationsE 527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2.3 ANSI Documents:ANSI H35.1 American National Standard Alloy and Tem-per Designation Systems for Aluminum3ANSI H35.1M American National Standard for Alloy andTemper D
13、esignations Systems for Aluminum Metric32.4 NIST Document:1This 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 Aug. 1, 2009. Published September 2009.
14、Originallyapproved in 1948. Last previous edition approved in 2002 as B 232/B 232M 011.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summar
15、y 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.NBS Handbook 100Copper Wire Tabl
16、es42.5 Aluminum Association Document:Publication 50, Code Words for Overhead Aluminum Elec-trical Conductors53. Terminology3.1 Definitions:3.1.1 Galvanizedzinc coated.3.1.2 Aluminizedaluminum coated.3.2 Abbreviations:Abbreviations:3.2.1 Zn-5A1-MMzinc-5 % aluminum-mischmetal alloy.3.2.2 ACSRaluminum
17、conductor, steel reinforced.3.2.3 ACSR/GA or ACSR/GA2reinforced with galvanizedsteel core wire, coating Class A in accordance with Specifica-tion B 498/B 498M.3.2.4 ACSR/GC or ACSR/GC2reinforced with galvanizedsteel core wire, coating Class C in accordance with Specifica-tion B 498/B 498M.3.2.5 ACSR
18、/HS or ACSR/GA3reinforced with high-strength galvanized steel core wire in accordance with Speci-fication B 606.3.2.6 ACSR/MA or ACSR/MA2reinforced with Zn-5A1-MM coated steel core wire, coating ClassAin accordancewith Specification B 802/B 802M.3.2.7 ACSR/MS or ACSR/MA3reinforced with high-strength
19、 Zn-5A1-MM coated steel core wire in accordancewith Specification B 803.3.2.8 ACSR/MA4reinforced with extra-high-strength Zn-5A1-MM coated steel core wire in accordance with Specifica-tion B 958.3.2.9 ACSR/GA4reinforced with extra-high-strength gal-vanized steel core wire in accordance with Specific
20、ation B 957.3.2.10 ACSR/MA5reinforced with ultra-high-strength Zn-5A1-MM coated steel core wire in accordance with Specifica-tion B 958.3.2.11 ACSR/GA5reinforced with ultra-high-strength gal-vanized steel core wire in accordance with Specification B 957.4. Classification4.1 For the purpose of this s
21、pecification conductors areclassified as follows (Explanatory Notes 1 and 2):4.1.1 Class 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 line construc-tion, and4.1.1.2 Conductors having a high
22、ratio of mechanicalstrength to current-carrying capacity used for overhead groundwires and 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. Orderin
23、g Information5.1 Orders for material under 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 (Section 9and Table 1),5.1.3 Number of wires, aluminum and steel (seeTables 1-5),5.1.4 Type of steel c
24、ore wire and type and area density (ifapplicable) of coating (see 6.2),5.1.5 Direction of lay of outer layer of aluminum wires ifother than right-hand (see 8.2),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
25、 wood lagging, if required (see 17.3), and5.1.10 Special package marking, if required (see 17.4).6. Requirement for Wires6.1 Before stranding, the aluminum wire used shall meet therequirements of Specification B 230/B 230M.6.2 Before stranding, the steel core wire used shall meet therequirements of
26、Specification B 498/B 498M, B 606, B 802/B 802M, B 803, B 957, or B 958, whichever is applicable.7. 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 wel
27、d shall occur within 50 ft 15 m ofa weld in the same wire or in any other wire of the completedconductor (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 lay
28、ers of wires in aconductor shall conform to Table 5 (see Explanatory Note 4).8.2 The direction of lay of the outside layer of aluminumwires shall be right hand unless otherwise specified in thepurchaser order. The direction of lay of the aluminum and steelwires shall be reversed in successive layers
29、.9. Construction9.1 ACSR may be constructed using steel core wire withany one of two types of protective coatings. The acceptablecore wires are:9.1.1 Galvanized steel core wires, with coating ClassesAorC in accordance with Specification B 498/B 498M;9.1.2 High-strength galvanized steel core wire, co
30、atingClass A in accordance with Specification B 606;9.1.3 Zn-5A1-MM coated steel core wire, coating Class A,in accordance with Specification B 802/B 802M;9.1.4 High-strength Zn-5A1-MM coated steel core wire,coating Class A in accordance with Specification B 803;9.1.5 Extra-high-strength galvanized s
31、teel core wire coatingClass A in accordance with Specification B 957;9.1.6 Extra-high-strength Zn-5Al-MM coated steel corewire, coating Class A in accordance with Specification B 958;4Available from National Institute of Standards and Technology (NIST), 100Bureau Dr., Stop 1070, Gaithersburg, MD 208
32、99-1070, http:/www.nist.gov.5Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600,Arlington, VA 22209, http:/www.aluminum.org.B 232/B 232M 092TABLE 1 Construction Requirements of Aluminum Conductors, Steel Reinforced (ACSR)SizeCodeWordsAClassStrandingDesignAluminum/SteelStrandingN
33、ominalO.D. ofConductors,in.Mass,lb/1000 ftAluminum Wires Steel Wirescmil 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
34、4 19 0.0961 2 1.762 25081 780 000 . . . Chukar AA 84/19 84 0.1456 4 19 0.0874 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 . .
35、 . Nuthatch AA 45/7 45 0.1832 3 7 0.1221 1 1.466 17001 431 000 . . . Plover 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 0.11
36、55 1 1.386 15211 272 000 . . . Pheasant AA 54/19 54 0.1535 3 19 0.0921 2 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 . . . Bunt
37、ing AA 45/7 45 0.1628 3 7 0.1085 1 1.302 13421 113 000 . . . Finch AA 54/19 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
38、11631 033 500 . . . Tanager AA 36/1 36 0.1694 3 1 0.1694 0 1.186 1044954 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
39、0.1291 1 1.162 1158900 000 . . . Ruddy AA 45/7 45 0.1414 3 7 0.0943 1 1.131 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
40、.1749 2 7 0.1360 1 1.108 1093795 000 . . . Cuckoo AA 24/7 24 0.1820 2 7 0.1213 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 . . . St
41、ilt AA 24/7 24 0.1727 2 7 0.1151 1 1.036 921666 600 . . . Gannet AA 26/7 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 1.019 995.16
42、36 000 . . . Grosbeak AA 26/7 26 0.1564 2 7 0.1216 1 0.990 874.2636 000 . . . 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 0.085
43、2 2 0.994 938.6605 000 . . . Wood Duck AA 30/7 30 0.1420 2 7 0.1420 1 0.994 946.5605 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
44、.1463 2 7 0.1138 1 0.927 765.2556 500 . . . Parakeet AA 24/7 24 0.1523 2 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
45、 AA 24/7 24 0.1410 2 7 0.0940 1 0.846 613.9477 000 . . . Pelican AA 18/1 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 .
46、 . . Chickadee AA 18/1 18 0.1486 2 1 0.1486 0 0.743 431.0336 400 . . . Oriole 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
47、.680 412.2266 800 . . . Partridge AA 26/7 26 0.1013 2 7 0.0788 1 0.642 366.9266 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)
48、 16/19 16 0.1127 1 19 0.0977 2 0.714 674.6190 800 . . . Dorking AA (HS) 12/7 12 0.1261 1 7 0.1261 1 0.631 475.7B 232/B 232M 0939.1.7 Ultra-high-strength galvanized steel core wire coatingClass A in accordance with Specification B 957;or9.1.8 Ultra-high-strength Zn-5Al-MM coated steel corewire, coati
49、ng Class A in accordance with Specification B 958.9.2 The number and diameter of aluminum and steel wiresand the area of cross section of aluminum wires shall conformto the requirements prescribed in Tables 1-5.9.3 Where compressed stranding is required in order toinsulate the conductor properly, one or more aluminum layersof any stranded conductor consisting of 7 wires or more may beslightly compressed. The nominal diameter of the compressedconductor is 3 % below the nominal diameter of noncom-pressed conductor and the area of cross section a
