| 年级 |
Copper |
| 加州大学(Min) |
99.95%-99.99% |
| 出生地 |
Jiangsu China (Mainland) |
| 模式的数量 |
Stranded |
| 长 |
10000000000000000 |
| 合金或者不是 |
非合金的 |
Main specification: Φ3mm,Φ8mm Complying with standard GB3952-89 Appearance: shining surface, with no scar and no flanged edge. Copper content: 99.99% Oxygen content: 200 500PPM Conductivity(at 20) : 100%(IACS) Extension rate: 38% Rebounding rate: very low Softening rate: extremely good. Single rotating test >53 rounds Double rotating test: no visible crack Surface oxidation layer: 400 Tensile strength: 25kg/mm