Production manner of the electric wire conductor for wiring and the electric wire conductor for wiring, 0.3 - 1.5 mass it contains

摘要

A wiring wire conductor copper alloy wire which contains 0.3 to 1.5 wt% of Cr, having a composition the balance unavoidable impurities and Cu is being twisted plural, a tensile strength of 400MPa or 650MPa below, elongation at break is more than 7%, the conductivity is 0.03 work-hardening exponent ratio more than 65% IACS, tensile strength and 0.2% proof stress, and is 0.7 to 0.95 wiring wire conductor is equal to or lower than 0.17, and its method of manufacture, wiring for electric wire made by insulating coating on the conductor, and copper alloy wire of the conductor for.