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AAAC Aluminum Alloy Conductor - Top China Suppliers & Factory for Lightweight, Cost-Effective Solutions
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| Aluminum Alloy Conductor (AAAC) Specifications | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Code Name | Old Code Name | Sectional Area | Wire Diameter & Stranding | Overall Diameter | Nominal Breaking Load | Linear Mass | Maximum Resistance at 20℃ | Modulus of elasticity | Coefficient of linear expansion | |
| mm² | mm | No. | mm | kN | kg/km | Ω/km | N/mm² | 1/K | ||
| 22-AL4 | ASTER 22 | 22.0 | 2.0 | 7 | 6 | 7.15 | 60.2 | 1.4989 | 62000 | 2.3x10⁻⁵ |
| 34-AL4 | ASTER 34.4 | 34.4 | 2.5 | 7 | 7.5 | 11.17 | 94.1 | 0.9593 | 62000 | 2.3x10⁻⁵ |
| 55-AL4 | ASTER 54.6 | 54.6 | 3.15 | 7 | 9.45 | 17.73 | 149.4 | 0.6042 | 62000 | 2.3x10⁻⁵ |
| 76-AL4 | ASTER 75.5 | 75.5 | 2.25 | 19 | 11.25 | 24.55 | 207.9 | 0.4388 | 60000 | 2.3x10⁻⁵ |
| 93-AL4 | ASTER 93.3 | 93.3 | 2.5 | 19 | 12.5 | 30.31 | 256.6 | 0.3551 | 60000 | 2.3x10⁻⁵ |
| 117-AL4 | ASTER 117 | 117.0 | 2.8 | 19 | 14 | 38.02 | 321.9 | 0.2833 | 60000 | 2.3x10⁻⁵ |
| 148-AL4 | ASTER 148 | 148.1 | 3.15 | 19 | 15.75 | 48.12 | 407.4 | 0.2239 | 60000 | 2.3x10⁻⁵ |
| 182-AL4 | ASTER 181.6 | 181.6 | 2.5 | 37 | 17.5 | 59.03 | 500.9 | 0.1831 | 57000 | 2.3x10⁻⁵ |
| 228-AL4 | ASTER 228 | 227.8 | 2.8 | 37 | 19.6 | 74.04 | 628.4 | 0.1460 | 57000 | 2.3x10⁻⁵ |
| 288-AL4 | ASTER 288 | 288.3 | 3.15 | 37 | 22.05 | 93.71 | 795.3 | 0.1154 | 57000 | 2.3x10⁻⁵ |
| 366-AL4 | ASTER 366 | 366.2 | 3.55 | 37 | 24.85 | 115.36 | 1010.1 | 0.0908 | 57000 | 2.3x10⁻⁵ |
| 570-AL4 | ASTER 570 | 570.2 | 3.45 | 61 | 31.05 | 185.33 | 1575.0 | 0.0585 | 54000 | 2.3x10⁻⁵ |
| 851-AL4 | ASTER 851 | 850.7 | 3.45 | 91 | 37.95 | 276.47 | 2360.6 | 0.0394 | 52500 | 2.3x10⁻⁵ |
| 1144-AL4 | ASTER 1144 | 1143.5 | 4 | 91 | 44 | 360.22 | 3173.2 | 0.0293 | 52500 | 2.3x10⁻⁵ |
| 1600-AL4 | ASTER 1600 | 1595.9 | 4 | 127 | 52 | 502.72 | 4427.5 | 0.0210 | 50500 | 2.3x10⁻⁵ |
Note: The outermost layer is twisted to the Left (S).
Frequently Asked Questions (FAQ)
Q:What is AAAC (Aluminum Alloy Conductor)?
AAAC is a concentric-lay-stranded conductor made from high-strength Aluminum-Magnesium-Silicon alloy (typically 6101 or 6201). It is widely used in overhead electrical transmission and distribution lines due to its excellent strength-to-weight ratio and electrical conductivity.
Q:What does the "Left (S)" twist direction mean for AAAC?
The "Left (S)" twist refers to the lay direction of the outermost layer of the conductor. Having a standardized S-lay direction ensures compatibility with standard helical line accessories, tension clamps, and joints during installation.
Q:How does AAAC compare to ACSR conductors?
Compared to ACSR (Aluminum Conductor Steel Reinforced), AAAC is lighter, offers better corrosion resistance (as there is no steel core to rust), and provides lower electrical power losses. It is highly preferred in coastal areas where corrosion is a major concern.
Q:What is the significance of the "Maximum Resistance at 20℃" in the table?
The maximum DC resistance at 20℃ (measured in Ω/km) dictates the efficiency of power transmission. A lower resistance value means fewer electrical losses over long distances, which helps in selecting the correct conductor size for specific load requirements.
Q:How do the "Code Name" and "Old Code Name" correspond?
The "Code Name" (e.g., 22-AL4) is the modern standard classification based on the nominal aluminum alloy cross-sectional area, while the "Old Code Name" (e.g., ASTER 22) represents the traditional industry names (like the Aster series) historically used by utility companies.