| 摘要 |
<p>A high strength and high conductivity copper alloy pipe, rod, or wire is composed of an alloy composition containing 0.13 to 0.33 mass% of Co, 0.044 to 0.097 mass% of P, 0.005 to 0.80 mass% of Sn, and 0.00005 to 0.0050 mass% of O, wherein a content [Co] mass% of Co and a content [P] mass% of P satisfy a relationship of 2.9 ([Co]-0.007)/([P]-0.008) <= 6.1, and the remainder includes Cu and inevitable impurities. The high strength and high conductivity copper alloy pipe, rod, or wire is produced by a process including a hot extruding process. Strength and conductivity of the high strength and high conductivity copper pipe, rod, or wire are improved by uniform precipitation of a compound of Co and P and by solid solution of Sn. The high strength and high conductivity copper pipe, rod, or wire is produced by the hot extruding, thereby achieving reduction in the cost.</p> |
