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Conductor Technical Structure | Unit | Value | ||||
Structure | Center: steel wire | Nos./mm | 1/2.0 | |||
Layer 1:steel wire | 6/2.0 | |||||
Layer 2: Aluminum wire | 10/2.57 | |||||
Layer 3: Aluminum wire | 16/2.57 | |||||
Standard | / | GB/T1179/IEC 61089/ASTM B232 / B232M-2009 / B498 | ||||
Stranding direction of outer layer | Direction | Right-hand | ||||
Conductor diameter | mm | 16.28±1% | ||||
Cross section | mm2 | 156.8±1% | ||||
Conductor weight | kg/km | 547.8±1% | ||||
Rated tensile strength | kN | 52 | ||||
Modulus of Elasticity | GPa | 73.9 | ||||
Coefficient of linear expansion | 10-6/℃ | 18.9 | ||||
Max. DC Resistance at 20℃ | Ohm/ft | 0.637 | ||||
Lay ratio | Aluminum layer | times | 16-wire layer 10-14 10-wire layer 10-16 | |||
Steel layer | 6-wire layer 18-30 |
Properties of Aluminum Wire (Before Stranding) | Unit | Value |
Diameter and tolerance | mm | 2.57±0.03 |
Min. tensile strength | MPa | 175 |
Min. elongation at 250mm | % | 1.7 |
Max. resistivity at 20℃ | Ω·mm2/m | 0.028172 |
Properties of Steel wire (Before stranding) | Unit | Value |
Diameter and tolerance | mm | 2.0±0.02 |
Min. tensile strength | MPa | 1410 |
Min. tension at 1% elongation | MPa | 1280 |
Min elongation at 250 mm | % | 3.5 |
Class of zinc coating | / | Class A |
Zinc coating quality | g /mm² | 230 |
Conductor diameter | MM | 6.0 |
Rated tensile strength | KN | / |