AZrK heat resistant aluminum alloy wire rod
IEC 62004:2007
- It is intended for producing heat-resistant wires used for high-voltage power transmission lines with a high operating temperature of up to 210ºC.
- ASPT, ASPTz and ASPTk high-temp grades may serve as examples of using heat-resistant aluminum alloy wire rod.
Characteristics and description
- Wire rod is supplied in bundles as an undivided piece weighing 600-2,100 kg.
- The type of wire rod winding into bundles – loose winding is acceptable.
- Wire rod diameter is 9.5 mm (±0.3 mm).
Bundle overall dimensions
- Height – 850±20 mm; inner diameter – 555±20 mm; outer diameter – 1,320±20 mm
Wire rod grade
- AZrK (AT1) – mechanical strength at elevated temperatures up to 150° C;
- AZrK (AT3) – mechanical strength at elevated temperatures up to 210° C.
Chemical composition, %
| Grade | Al | Si | Fe | Cu | Mn | Mg | Zn | Ga | Ti | Zr |
| AZrK (АТ1) | base | 0.07 | 0.20 | 0.01 | - | 0.02 | 0.04 | 0.02 | 0.020* | 0.19-0.24 |
| AZrK (АТ3) | base | 0.07 | 0.20 | 0.01 | - | 0.02 | 0.04 | 0.02 | 0.020* | 0.25-0.30 |
* For sum of titanium, vanadium, chrome and manganese.
Electromechanical properties
| Grade | Temporary rupture Resistance, MPa, no less than | Elongation typical, (A100), %, no less than | Specific electrical resistance Ω*mm²/m, no more than |
| AZrK (АТ1) | 118 | 8 | 0.0287 |
| AZrK (АТ3) | 130 | 8 | 0.0287 |
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