| 摘要 |
A conductor of an electric cable for wiring, containing a copper alloy material containing 1.0 to 4.5 mass% of Ni, 0.2 to 1.1 mass% of Si, and the balance of Cu and unavoidable impurities, in which the copper alloy material has an average grain diameter of 0.2 to 5.0 µm. |
