COPPER WIRE ROD AND MAGNET WIRE

摘要

A copper wire rod with an excellent surface quality and a magnet wire, in which the occurrence of blister defects is suppressed, are provided. The copper wire rod has a composition consisting of: more than 10 ppm by mass and 30 ppm by mass or less of P; 10 ppm by mass or less of O; 1 ppm by mass or less of H; and the balance Cu and inevitable impurities, wherein hydrogen concentration after performing a heat treatment at 500° for 30 minutes in vacuum is 0.2 ppm by mass or less. The magnet wire includes: a drawn wire material produced by using the copper wire rod; and an insulating film coating an outer periphery of the drawn wire material.

主权项

1. A copper wire rod produced by continuous casting and rolling, the copper wire rod comprising a composition consisting of:
more than 10 ppm by mass and 30 ppm by mass or less of P; 10 ppm by mass or less of O; 1 ppm by mass or less of H; and the Cu balance and inevitable impurities, wherein hydrogen concentration after performing a heat treatment at 500° C. for 30 minutes in vacuum is 0.2 ppm by mass or less.