Aluminum Alloy Strength
Heat-treated aluminum alloy strands improve strength-to-weight performance compared with standard AAC conductors.
AAAC ASTM B399
ASTM B399 all-aluminum alloy conductor route for overhead line projects.
This page supports buyers reviewing AAAC conductors where ASTM B399 is the required conductor standard.
Product Overview
AAAC ASTM B399 is a specification-focused page for all-aluminum alloy conductors used in overhead power line projects. It helps buyers align conductor selection, product naming and documentation with ASTM-based project requirements.
Applications
- ASTM-based overhead line tenders
- distribution and sub-transmission routes
- corrosion-sensitive line environments
- projects comparing AAAC with AAC or ACSR
Construction
Concentric-lay stranded aluminum alloy conductor produced and reviewed according to the ASTM B399 route. Final code name, area, stranding, rated strength and DC resistance should be confirmed from the project table.
Standards
- ASTM B399
- project-specific ASTM references where required
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 ASTM B399, alloy grade, stranding, rated strength and DC resistance should be matched to the specified conductor standard.
Product Selection Guide
ASTM B399 Route
Select AAAC ASTM B399 when the project calls for this conductor family.
Standard & Size 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 Name | Size (kcmil) | Stranding (No. x Dia mm) | Overall Dia. (mm) | Weight (kg/km) | Rated Strength (kN) | DC Res. @20°C (Ω/km) |
| ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands | ASTM B399 AAAC (6201-T81 Alloy) – 19 to 61 Strands |
| Butte | 312.8 | 19 x 3.63 | 18.15 | 544.5 | 58.0 | 0.1690 |
| Canton | 394.5 | 19 x 4.08 | 20.40 | 686.5 | 71.0 | 0.1340 |
| Cairo | 465.4 | 19 x 4.43 | 22.15 | 809.0 | 83.8 | 0.1140 |
| Darien | 559.5 | 19 x 4.86 | 24.30 | 973.0 | 100.8 | 0.0945 |
| Elgin | 652.4 | 19 x 5.25 | 26.25 | 1135.0 | 117.4 | 0.0810 |
| Flint | 740.8 | 37 x 4.01 | 28.07 | 1290.0 | 133.4 | 0.0717 |
| Greeley | 927.2 | 37 x 4.48 | 31.36 | 1615.0 | 167.0 | 0.0573 |
| Pasadena | 1232.7 | 61 x 3.61 | 32.49 | 2145.0 | 221.9 | 0.0431 |
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