Aluminum Alloy Strength
Heat-treated aluminum alloy strands improve strength-to-weight performance compared with standard AAC conductors.
AAAC – All Aluminum Alloy Conductor
All-aluminum alloy overhead conductor for higher strength and corrosion-resistant line routes.
AAAC is selected where a higher strength-to-weight ratio and better corrosion performance are required without using a steel-reinforced core.
Product Overview
AAAC conductors are made from aluminum alloy wires stranded concentrically. They are used in overhead distribution and transmission projects where line designers need a stronger conductor than AAC while maintaining an all-aluminum alloy construction.
Applications
- overhead distribution and sub-transmission lines
- coastal, humid or corrosion-sensitive line environments
- routes requiring better strength-to-weight performance than AAC
- standard-based conductor replacement and network upgrade projects
Construction
Concentric-lay stranded aluminum alloy conductor without steel core, insulation, sheath or armour. Alloy grade, conductor size, stranding and rated strength should be confirmed according to the selected project standard.
Standards
- IEC 61089
- ASTM B399
- BS 3242
- DIN 48201
- AS 1531
- NFC 34-125
- GB/T 1179
Main Features
Corrosion-Resistant Route
No exposed steel core makes AAAC useful where corrosion resistance and sag performance must be reviewed together.
Standard-Based Selection
For AAAC - All Aluminum Alloy Conductor, alloy grade, stranding, rated strength and DC resistance should be matched to the specified conductor standard.
Comparison Table
| Product / Route | Main Use | Selection Guidance |
| AAAC | Strength and corrosion resistance | Distribution and sub-transmission routes requiring alloy conductor performance. |
| AAC | Lower weight and simpler conductor route | Moderate-span routes with lighter mechanical requirements. |
| ACSR | Steel-reinforced strength | Long spans or high-tension routes where steel reinforcement is preferred. |
Product Selection Guide
Standard Route
Confirm whether the project uses IEC, ASTM, BS, DIN, GB, AS or NFC conductor tables before selecting size.
Electrical Requirement
Compare nominal area, DC resistance and current requirement against the line design and utility specification.
Mechanical Loading
Check rated strength, span length, sag requirement and wind/ice conditions before confirming conductor family.
Alternative Conductors
For higher tension or corrosion performance, compare AAC, AAAC, ACSR, ACAR, AACSR or ACSR/AW as applicable.
Technical Data Overview
| Code Number | Calculated Area (mm²) | Stranding | Overall Diameter (mm) | Linear Mass (kg/km) | Rated Strength (kN) | Max. DC Resistance at 20°C (Ω/km) |
|---|---|---|---|---|---|---|
| 16 | 18.6 | 7/1.84 | 5.52 | 50.8 | 6.04 | 1.7896 |
| 25 | 29.0 | 7/2.30 | 6.90 | 79.5 | 9.44 | 1.1453 |
| 40 | 46.5 | 7/2.91 | 8.72 | 127.1 | 15.10 | 0.7158 |
| 63 | 73.2 | 7/3.65 | 10.90 | 200.2 | 23.06 | 0.4545 |
| 100 | 116 | 19/2.79 | 14.00 | 319.3 | 37.76 | 0.2877 |
| 125 | 145 | 19/3.12 | 15.60 | 399.2 | 47.20 | 0.2302 |
| 160 | 186 | 19/3.53 | 17.60 | 511.0 | 58.56 | 0.1798 |
| 200 | 232 | 19/3.95 | 19.70 | 638.7 | 73.20 | 0.1439 |
| 250 | 290 | 19/4.41 | 22.10 | 798.4 | 91.50 | 0.1151 |
| 315 | 366 | 37/3.55 | 24.80 | 1008.4 | 115.29 | 0.0916 |
| 400 | 465 | 37/4.00 | 28.00 | 1280.5 | 146.40 | 0.0721 |
| 450 | 523 | 37/4.24 | 29.70 | 1440.5 | 164.70 | 0.0641 |
| 500 | 581 | 37/4.47 | 31.30 | 1600.6 | 183.00 | 0.0577 |
| 560 | 651 | 61/3.69 | 33.20 | 1795.3 | 204.96 | 0.0516 |
| 630 | 732 | 61/3.91 | 35.20 | 2019.8 | 230.58 | 0.0458 |
| 710 | 825 | 61/4.15 | 37.30 | 2276.2 | 259.86 | 0.0407 |
| 800 | 930 | 61/4.40 | 39.60 | 2564.8 | 292.80 | 0.0361 |
| 900 | 1046 | 91/3.83 | 42.10 | 2888.3 | 329.40 | 0.0321 |
| 1000 | 1162 | 91/4.03 | 44.40 | 3209.3 | 366.00 | 0.0289 |
| 1120 | 1301 | 91/4.27 | 46.90 | 3594.4 | 409.92 | 0.0258 |
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