COPPER ALLOY FOR ELECTRONIC AND ELECTRICAL MACHINE, COPPER ALLOY THIN SHEET FOR ELECTRONIC AND ELECTRICAL MACHINE, COMPONENT FOR ELECTRONIC AND ELECTRICAL MACHINE, TERMINAL AND BUS BAR

摘要

PROBLEM TO BE SOLVED: To provide a copper alloy for an electronic and electrical machine excellent in toughness, conductivity and Vickers hardness and suitable for a component for an electronic and electric machine and a copper alloy thin sheet for an electronic and electric machine, a component for an electronic and electric machine, a terminal and a bus bar consisting of the copper alloy for electronic and electric machine.SOLUTION: A copper alloy contains Zr of 0.01 mass% or more and less than 0.20 mass, Si of 0.002 mass% or more and less than 0.03 mass%, Mg of 0.001 mass% or more and less than 0.1 mass% and the balance Cu with inevitable impurities with the total content of B, P, Ni, Cr, Ti, Fe, Co of the inevitable impurities of less than 100 mass.ppm.SELECTED DRAWING: None