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AACSR ASTM﹣B711 Steel core aluminum alloy conductor BARE CONDUCTOR

Execution standard: ASTM B711

Material: AACSR adopts Galvanized steel wire, 6201 aluminum alloy.

Aluminum conductor steel reinforced: With high-strength steel as the core and high-conductivity aluminum alloy as the outer layer, it combines excellent mechanical properties and conductivity, is corrosion-resistant and wear-resistant, and is suitable for high-voltage transmission lines to ensure efficient and stable power transmission.

    Product advantage

    Steel-Cored Aluminum Alloy Stranded Wire: The Preferred Choice for Power Transmission
    In overhead power lines, steel-cored aluminum alloy stranded wire stands out as an ideal solution for power transmission and distribution projects, thanks to its dual advantages of "high strength + excellent conductivity," providing stable, efficient, and durable core support for electricity transmission.
    1. A Perfect Blend of Strength and Toughness for Complex Environments
    - With high-strength steel wires as the core, the conductor boasts exceptional tensile strength and fatigue resistance, easily handling harsh conditions such as long-span crossings, strong winds, and ice/snow. It minimizes line sag issues, reducing the difficulty of erection and maintenance.
    - The outer aluminum alloy strands combine metal toughness with structural stability, offering superior corrosion resistance and aging resistance. This extends the conductor's service life and lowers long-term operational costs.
    2. Excellent Conductivity for Higher Transmission Efficiency
    Aluminum alloy materials retain conductivity close to pure aluminum while ensuring strength. Compared to traditional steel-cored aluminum strands, they enhance current-carrying capacity under the same cross-section, reduce line losses, and enable more efficient, energy-saving power transmission—ideal for medium and high-voltage long-distance networks.

    Product application

    Steel-Cored Aluminum Alloy Conductors: A Mainstay of Power Transmission Across Diverse Scenarios
    With its integrated advantages of "high strength, excellent conductivity, and environmental resistance," steel-cored aluminum alloy conductors serve as a key player in power transmission across multiple fields, delivering tailored solutions for various scenarios.
    1. Core Choice for Medium and High-Voltage Transmission Lines
    In 110kV to 500kV medium and high-voltage networks, steel-cored aluminum alloy conductors excel as the "main arteries" connecting substations and regional grids. Particularly in urban peripheries and suburban areas, they adapt to complex wiring demands in densely populated zones, balancing transmission efficiency with safety and stability.
    2. Reliable Support for Long-Span Crossings
    When spanning natural barriers (rivers, valleys, mountains) or critical transportation routes (expressways, railways), the high strength of these conductors reduces the need for excessive pylons, mitigates sag issues caused by long spans, and ensures stable operation under strong winds, temperature fluctuations, and other harsh conditions. They are widely used in river-crossing transmission lines and mountainous overhead projects.
    3. Upgrades and Renovations of Urban and Rural Power Grids
    In projects involving the renovation of aging grids or capacity expansion in urban and rural areas, their lightweight design simplifies construction and retrofitting. Additionally, their corrosion and aging resistance reduces long-term maintenance needs, making them ideal for complex environments such as dusty rural areas, humid regions, and coastal areas with high salt spray—driving efficiency improvements in grid performance.

    Aluminum Alloy Conductor Steel Reinforced(AACSR)  

    Sectional Area Wire Diameter&Stranding Diameter of Conductor Linear Mass Rated Strngth Max.D.C. Resistance at 20℃ Ω/km
    Total Aluminum alloy Steel Aluminum alloy Steel
    mm² mm² mm² mm No mm No mm kg/km kN Ohms/km
    163 140 23 2.62 26 2.04 7 16.6 560 74.9 0.240
    173 140 33 2.44 30 2.44 7 17.1 650 87.4 0.240
    186 160 26 2.80 26 2.18 7 17.7 645 85.5 0.210
    198 160 38 2.61 30 2.61 7 18.3 740 100 0.210
    209 180 29 2.97 26 2.31 7 18.8 725 195 0.187
    222 180 42 2.76 30 2.76 7 19.3 825 112 0.187
    232 200 32 3.13 26 2.43 7 19.8 800 105 0.168
    247 200 47 2.91 30 2.91 7 20.4 920 124 0.168
    260 224 36 3.31 26 2.57 7 21.0 900 115 0.150
    276 224 52 3.08 30 3.08 7 21.6 1025 139 0.150
    291 250 41 3.50 26 2.72 7 22.2 1010 128 0.135
    308 250 58 3.26 30 3.26 7 22.8 1145 152 0.135
    326 280 46 3.70 26 2.88 7 23.4 1140 144 0.120
    345 280 65 3.45 30 3.45 7 24.2 1280 171 0.120
    367 315 52 3.93 26 3.06 7 24.9 1276 162 0.107
    387 315 72 3.66 30 2.20 19 25.6 1433 190 0.107
    413 355 58 4.17 26 3.24 7 26.4 1433 182 0.0950
    436 355 81 3.88 30 2.33 19 27.2 1614 210 0.0950
    465 400 65 4.43 26 3.45 7 28.1 1612 206 0.0842
    491 400 91 4.12 30 2.47 19 28.8 1816 237 0.0842
    509 450 59 3.26 54 1.98 19 29.5 1703 208 0.0748
    563 500 63 3.43 54 2.06 19 30.9 1873 228 0.0673
    631 560 71 3.63 54 2.18 19 32.7 2101 256 0.06010
    710 630 80 3.85 54 2.31 19 34.6 2365 285 0.0534
    800 710 90 4.09 54 2.45 19 36.8 2665 321 0.0474
    901 800 101 4.43 54 2.60 19 39.0 3000 361 0.0420
    973 900 73 3.69 84 2.21 19 40.6 3062 353 0.0374
    1081 1000 81 3.89 84 2.33 19 42.8 3395 389 0.0337
    1211 1120 91 4.12 84 2.47 19 45.3 3803 437 0.0300
    1352 1250 102 4.35 84 2.61 19 47.8 4250 489 0.0270

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