AAC-All Aluminum Stranded Conductor ASTM B231

AAC All Aluminum Conductor to ASTM B231 is a bare overhead conductor comprised solely of concentric-lay-stranded aluminum wires. This type of conductor is widely used in power transmission and distribution lines due to its simple construction, convenient installation, and low cost. The stranded design provides increased flexibility, making it suitable for various overhead applications, including long spans over rivers and valleys.

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  • Aac All Aluminum Stranded Conductor Astm B231

AAC-All Aluminum Stranded Conductor ASTM B231

AAC ASTM B231

  • Nominal Area circular and sectional
  • Sectional area 6AWG - 3500MCM
  • Insulation N/A
  • Standard ASTM B231

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AAC (All Aluminum Conductor) to ASTM B231 is a bare overhead conductor comprised solely of concentric-lay-stranded aluminum wires. This type of conductor is widely used in power transmission and distribution lines due to its simple construction, convenient installation, and low cost. The stranded design provides increased flexibility, making it suitable for various overhead applications, including long spans over rivers and valleys.

Key Specifications

  • Standard: ASTM B231, which specifies bare concentric-lay-stranded aluminum 1350 conductors. It also references ASTM B230 for the extra hard aluminum wire used.
  • Conductor Material: Made from 1350-H19 aluminum wires, known for being hard-drawn and having excellent electrical properties.
  • Construction: The conductor consists of multiple layers of helically laid wires around a central wire. The number of wires per layer increases by six with each successive layer. The conductor's flexibility is directly related to the number of wires for a given cross-sectional area.
  • Insulation: None; it's a bare conductor and relies on air for electrical isolation.
  • Nominal Area: Available in a wide range of sizes, from 6 AWG to 3500 MCM.

stranding patterns All Aluminium Conductors Construction

Parameter Table

Code AWG & MCM Sectional Area (mm²) Stranding Overall Diameter (mm) Weight (kg/km) Rated Strength (kN) Electrical Resistance (/km) Current Rating (A)
Peachbell 6 13.3 7/1.56 4.68 36.6 2.53 2.1477 75
Rose 4 21.1 7/1.96 5.88 58.2 3.91 1.3606 99
Iris 2 33.6 7/2.47 7.41 92.6 5.99 0.8567 132
Poppy 1/0 53.5 7/3.12 9.36 147.2 8.84 0.5369 176
Aster 2/0 67.4 7/3.50 10.5 185.7 11.1 0.4267 203
Oxlip 4/0 107.2 7/4.42 13.26 295.2 17 0.2675 270
Valerian 250 126.7 19/2.91 14.55 348.6 20.7 0.2274 299
Laurel 266.8 135.2 19/3.01 15.05 372.2 22.1 0.2125 312
Tulip 336.4 170.5 19/3.38 16.9 469.5 27.3 0.1686 359
Canna 397.5 201.4 19/3.67 18.35 554.9 31.6 0.143 397
Syringa 477 241.7 37/2.88 20.16 664.8 38.6 0.1192 444
Zinnia 500 253.3 19/4.12 20.6 697.1 38.9 0.1134 458
Mistletoe 556.5 282 37/3.12 21.84 775.7 44.3 0.1016 490
Orchid 636 322.3 37/3.33 23.31 886.9 50.4 0.0892 530
Flag 700 354.7 61/2.72 24.48 975.8 57.1 0.0811 561
Lilac 795 402.8 61/2.90 26.1 1110 63.8 0.0713 607
Snapdragon 900 456 61/3.09 27.81 1256 70.8 0.0628 654
Goldenrod 954 483.4 61/3.18 28.62 1331 75 0.0593 677
Larkspur 1033.5 523.7 61/3.31 29.79 1442 81.3 0.0547 710
Marigold 1113 564 61/3.43 30.87 1553 87.3 0.051 740
Narsissus 1272 644.5 61/3.67 33.03 1774 98.1 0.0445 802
Carnation 1431 725.1 61/3.89 35.01 1997 108 0.0396 858
Gladiolus 1510.5 765.4 61/4.00 36 2108 114 0.0375 885
Jassamine 1750 886.7 61/4.30 38.7 2442 132 0.0324 962
Cowslip 2000 1013 91/3.77 41.47 2787 153 0.0286 1032
Lupine 2500 1267 91/4.21 46.31 3519 186 0.0229 1163
Trillium 3000 1520 127/3.90 50.7 4226 223 0.0193 1271
Bluebonnet 3500 1773 127/4.22 54.86 4977 261 0.0165 1373
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