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SPEC 80113

ACSS/AW

Aluminum Conductor, Aluminum-Clad Steel Supported

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Construction:

  1. Core:Steel strands form the central core of the conductor with one or more layers of aluminum 1350-0 wire stranded around it.
  2. Stranding:ACSS/AW is a composite concentric-lay-stranded conductor.
  • The steel core carries most or all of the mechanical load of the conductor due to the "0" (fully annealed or soft) temper aluminum.
  • Steel core wires are protected from corrosion by an aluminum coating.

Applications and Features:

ACSS/AW is used for overhead distribution and transmission lines. It is designed to operate continuously at elevated temperatures up to 250°C without loss of strength; it sags less under emergency electrical loadings than ACSR/AW; it is self-damping if prestretched during installation; and its final sags are not affected by long term creep of aluminum. The advantages make ACSS/AW especially useful in reconductoring applications requiring increased current with existing tensions and clearances, new line applications where structures can be economized because of reduced conductor sag, new line applications requiring high emergency loadings, and lines where aeolian vibration is a problem. ACSS/AW offers strength characteristics similar to ACSS, along with slightly greater ampacity and resistance to corrosion due to aluminum-cladding of the steel core wires.

Specifications:

  • ASTM B502 Aluminum-Clad Steel Core Wire for Aluminum conductors, Aluminum-Clad Steel Reinforced
  • ASTM B609 Standard Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes
  • ASTM B856 Concentric-Lay-Stranded Aluminum Conductors, Coated Steel Supported (ACSS)
    • Table 1 – Weights and Measurements
    Code WordSizeStrandingAL Strand DiaSteel Strand DiaSteel CoreOverall ODAL WeightSteel WeightOverall Weight
    (AWG or kcmil)(Al/Stl)inchinchinchinchlbs/1,000'lbs/1,000'lbs/1,000'
    Junco/ACSS/AW266.830/70.09430.09430.28290.66252140392
    Ostrich/ACSS/AW30026/70.10740.08350.25060.68283110393
    Linnet/ACSS/AW336.426/70.11370.08850.26540.72317123440
    Oriole/ACSS/AW336.430/70.10590.10590.31770.741318177494
    Brant/ACSS/AW397.524/70.12870.08580.25740.772374116490
    Ibis/ACSS/AW397.526/70.12360.09620.28850.783374146520
    Lark/ACSS/AW397.530/70.11510.11510.34530.806375209584
    Flicker/ACSS/AW47724/70.1410.0940.28190.846449139589
    Hawk/ACSS/AW47726/70.13540.10530.3160.858449175624
    Hen/ACSS/AW47730/70.12610.12610.37830.883450251701
    Parakeet/ACSS/AW556.524/70.15230.10150.30450.914524163687
    Dove/ACSS/AW556.526/70.14630.11380.34130.927524204728
    Eagle/ACSS/AW556.530/70.13620.13620.40860.953525293818
    Peacock/ACSS/AW60524/70.15880.10580.31750.953570177746
    Squab/ACSS/AW60526/70.15250.11860.35590.966570222792
    Wood Duck/ACSS/AW60530/70.1420.1420.4260.994571318889
    Teal/ACSS/AW60530/190.1420.08520.4260.994571311883
    Rook/ACSS/AW63624/70.16280.10850.32560.977599186785
    Grosbeak/ACSS/AW63626/70.15640.12160.36490.991599233832
    Scoter/ACSS/AW63630/70.14560.14560.43681.019600334935
    Egret/ACSS/AW63630/190.14560.08740.43681.019600327928
    Flamingo/ACSS/AW666.624/70.16670.11110.33331628195823
    Gannet/ACSS/AW666.626/70.16010.12450.37361.014628245872
    Stilt/ACSS/AW715.524/70.17270.11510.34531.036674209883
    Starling/ACSS/AW715.526/70.16590.1290.38711.051674263936
    Redwing/ACSS/AW715.530/190.15440.09270.46331.0816763681044
    Cuckoo/ACSS/AW79524/70.1820.12130.3641.092749232981
    Drake/ACSS/AW79526/70.17490.1360.4081.1077492921040
    Macaw/ACSS/AW79542/70.13760.07640.22931.05574992841
    Tern/ACSS/AW79545/70.13290.08860.26581.063749124873
    Condor/ACSS/AW79554/70.12130.12130.3641.092749232981
    Mallard/ACSS/AW79530/190.16280.09770.48841.1397514091160
    Ruddy/ACSS/AW90045/70.14140.09430.28281.131848140988
    Canary/ACSS/AW90054/70.12910.12910.38731.1628482631111
    Rail/ACSS/AW95445/70.14560.09710.29121.1658991491047
    Towhee/ACSS/AW95448/70.1410.10970.3291.1758991901088
    Cardinal/ACSS/AW95454/70.13290.13290.39871.1968992791177
    Canvasback/ACSS/AW95430/190.17830.1070.5351.2489014911392
    Snowbird/ACSS/AW1033.542/70.15690.08710.26141.2039731201093
    Curlew/ACSS/AW1033.554/70.13830.13830.4151.2459733021275
    Bluejay/ACSS/AW111345/70.15730.10480.31451.25810481731222
    Finch/ACSS/AW111354/190.14360.08610.43071.29210533181372
    Bunting/ACSS/AW1192.545/70.16280.10850.32561.30211231861309
    Grackle/ACSS/AW1192.554/190.14860.08920.44581.33711293411470
    Bittern/ACSS/AW127245/70.16810.11210.33621.34511981981396
    Pheasant/ACSS/AW127254/190.15350.09210.46041.38112043641568
    Dipper/ACSS/AW135145/70.17330.11550.34651.38612722101483
    Martin/ACSS/AW135154/190.15820.09490.47451.42412793861665
    Bobolink/ACSS/AW143145/70.17830.11890.35661.42713482231571
    Plover/ACSS/AW143154/190.16280.09770.48841.46513544091764
    Nuthatch/ACSS/AW151045/70.18320.12210.36641.46514222351657
    Parrot/ACSS/AW151054/190.16720.10030.50171.50514294321861
    Lapwing/ACSS/AW159045/70.1880.12530.37591.50414982481745
    Falcon/ACSS/AW159054/190.17160.1030.51481.54415054551960
    Chukar/ACSS/AW178084/190.14560.08730.43671.60116853272012
    Mockingbird/ACSS/AW2034.572/70.16810.11210.33621.68119261982124
    Roadrunner/ACSS/AW205776/190.16450.07680.38391.719472532200
    Bluebird/ACSS/AW215684/190.16020.09610.48061.76220413962437
    Kiwi/ACSS/AW216772/70.17350.11570.3471.73520512112262
    Thrasher/ACSS/AW231276/190.17440.08140.4071.80221882842472
    Joree/ACSS/AW251576/190.18190.08490.42451.8823803092689
    (1) Data based on a nominal cable manufactured in accordance with ASTM B 856.
    (2) Resistance and ampacity based on an aluminum conductivity of 63% IACS at 20°C, and an aluminum-clad steel conductivity of 20.3% IACS at 20°C.
    (3) Ampacity based on a 200°C conductor temperature, 25°C ambient temperature, 2 ft/sec wind, in sun, with emissivity of 0.5 and a coefficient of solar absorption of 0.5, at sea level.
    (4) Rated strengths based on aluminum-clad steel core wire in accordance with ASTM B 502.
    Table 2 - Electrical and Engineering Data
    Code WordSizeRated StrengthDC Resistance @ 20CAC Resistance @ 75CAllowable Ampacity
    (AWG or kcmil)lbsOhms/1,000'Ohms/1,000'Amps
    Junco/ACSS/AW266.8112000.05890.0723841
    Ostrich/ACSS/AW30093600.05340.0656891
    Linnet/ACSS/AW336.4105000.04760.0585960
    Oriole/ACSS/AW336.4142000.04670.0573979
    Brant/ACSS/AW397.5104000.04070.05011061
    Ibis/ACSS/AW397.5124000.04030.04961071
    Lark/ACSS/AW397.5167000.03950.04861092
    Flicker/ACSS/AW477125000.03390.04181195
    Hawk/ACSS/AW477149000.03360.04131207
    Hen/ACSS/AW477201000.03290.04051231
    Parakeet/ACSS/AW556.5146000.02910.03591323
    Dove/ACSS/AW556.5175000.02880.03551336
    Eagle/ACSS/AW556.5229000.02820.03481362
    Peacock/ACSS/AW605159000.02670.0331397
    Squab/ACSS/AW605190000.02650.03271411
    Wood Duck/ACSS/AW605244000.0260.0321439
    Teal/ACSS/AW605250000.0260.0321438
    Rook/ACSS/AW636167000.02550.03141444
    Grosbeak/ACSS/AW636199000.02520.03111458
    Scoter/ACSS/AW636251000.02470.03051487
    Egret/ACSS/AW636263000.02470.03051486
    Flamingo/ACSS/AW666.6175000.02430.031489
    Gannet/ACSS/AW666.6209000.0240.02971504
    Stilt/ACSS/AW715.5188000.02260.0281559
    Starling/ACSS/AW715.5220000.02240.02771576
    Redwing/ACSS/AW715.5295000.0220.02721605
    Cuckoo/ACSS/AW795209000.02040.02521671
    Drake/ACSS/AW795244000.02020.0251688
    Macaw/ACSS/AW795114000.02090.0261630
    Tern/ACSS/AW795135000.02080.0261620
    Condor/ACSS/AW795158000.02040.0261639
    Mallard/ACSS/AW795329000.01980.02451721
    Ruddy/ACSS/AW900153000.01830.0231767
    Canary/ACSS/AW900232000.0180.0231779
    Rail/ACSS/AW954162000.01730.02181836
    Towhee/ACSS/AW954190000.01720.02141858
    Cardinal/ACSS/AW954246000.0170.02171848
    Canvasback/ACSS/AW954394000.01650.02051939
    Snowbird/ACSS/AW1033.5148000.01610.02021934
    Curlew/ACSS/AW1033.5261000.01570.02011948
    Bluejay/ACSS/AW1113189000.01480.00882031
    Finch/ACSS/AW1113288000.01460.01882040
    Bunting/ACSS/AW1192.5203000.01380.01762124
    Grackle/ACSS/AW1192.5308000.01370.01762135
    Bittern/ACSS/AW1272216000.0130.01652215
    Pheasant/ACSS/AW1272328000.01280.01652227
    Dipper/ACSS/AW1351230000.01220.01562304
    Martin/ACSS/AW1351349000.0120.01562307
    Bobolink/ACSS/AW1431243000.01150.01482391
    Plover/ACSS/AW1431369000.01140.01482405
    Nuthatch/ACSS/AW1510257000.01090.01412476
    Parrot/ACSS/AW1510389000.01080.01412491
    Lapwing/ACSS/AW1590270000.01040.01342560
    Falcon/ACSS/AW1590411000.01020.01342576
    Chukar/ACSS/AW1780336000.00930.0122772
    Mockingbird/ACSS/AW2034.5265000.00820.01092972
    Roadrunner/ACSS/AW2057303000.00810.01083007
    Bluebird/ACSS/AW2156407000.00770.01023130
    Kiwi/ACSS/AW2167282000.00770.01043092
    Thrasher/ACSS/AW2312341000.00720.00973235
    Joree/ACSS/AW2515371000.00660.00913407
    (1) Data based on a nominal cable manufactured in accordance with ASTM B 856.
    (2) Resistance and ampacity based on an aluminum conductivity of 63% IACS at 20°C, and an aluminum-clad steel conductivity of 20.3% IACS at 20°C.
    (3) Ampacity based on a 200°C conductor temperature, 25°C ambient temperature, 2 ft/sec wind, in sun, with emissivity of 0.5 and a coefficient of solar absorption of 0.5, at sea level.
    (4) Rated strengths based on aluminum-clad steel core wire in accordance with ASTM B 502.

    Revision: 1.000.000

    Updated On: July 3, 2024, 9:53 p.m. UTC