| 摘要 |
PROBLEM TO BE SOLVED: To provide a copper alloy sheet having excellent heat dissipation, electro conductivity, repeated bendability and shape retainment.SOLUTION: Provided is a copper alloy sheet that contains Ag by 0 to 1.0 weight %, Ti by 0 to 0.08 weight %, Ni by 0 to 2.0 weight %, Zn by 0 to 3.5 weight %, and one or more selected from the group of Cr, Fe, In, P, Si, Sn, and Zr by 0 to 0.5 weight % in total, and the remainder is composed of Cu and unavoidable impurities, in which the electro conductivity is 60% IACS or more, the tensile strength is 350 MPa or more, and the degree of integration of crystal orientation in the box number 36 obtained by performing an equal area division, which is used in the display by a vector method, to a stereo triangle representing crystal orientations in the rolling direction of the sheet surface is 6 or less. |
