Shanghai Gengyun Industrial Co., Ltd
Aluminum steel alloy wire is made of heat-treated aluminum magnesium silicon alloy material, divided into LHA1 and LHA2 levels, with conductivity equivalent to 52.5% IACS and 53.0% IACS, respectively, and has high strength and corrosion resistance.
The main parameters of aluminum alloy wire used in OPGW and OPPC |
|||||||
| Table 3.7.3-8 | |||||||
| Type | Nominal diameter mm |
Tensile strength (minimum value) MPa |
Density at 20℃ g/cm |
Resistance at 20 ℃ Rate (maximum value) nΩ ·m |
Resistance at 20 ℃ temperature coefficient 1/℃ |
Coefficient of linear expansion 1×10-*/℃ |
Elastic modulus GPa |
| IHA1 | d≤3.50 d>3.50 |
325 315 |
2.703 | 32.84 | 0.0036 | 23.0 | 65 |
| LHA2 | d≤3.50 d>3.50 |
295 295 |
2.703 | 32.53 | 0.0036 | 23.0 | 65 |
| Other Requirements： | |||||||
| 1.Outer diameter deviation (difference between aluminum alloy wire diameter and nominal diameter) When the diameter is less than or equal to 3.0mm, the deviation shall not exceed ± 0.03mm. When the diameter is above 3.0mm, the deviation shall not exceed ± 1%. 2.Elongation at break The minimum elongation at break of aluminum alloy wire is 3.0%, and the gauge length is 250mm. 3.Winding At a speed of no more than 60r/min, wind 8 turns on a core coil with the same diameter as the alloy wire, and the aluminum steel alloy wire should not break. |
|||||||