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CuCo1Ni1Be(R440)铜板 CuCo1Ni1Be(R440)铜棒 CuCo1Ni1Be(R440)铜线 CuCo1Ni1Be(R440)铜带 CuCo1Ni1Be(R440)厂家专业定做高精度铜管 CuCo1Ni1Be(R440)厂家专业定做非标规格铜材 CuCo1Ni1Be(R440)铜板最新行情价格 CuCo1Ni1Be(R440)铜板中厚板现货批发 CuCo1Ni1Be(R440)进口环保铜板棒线带管 CuCo1Ni1Be(R440)国产环保铜板棒线带管批发
铜合金导热率问题
纯铜导热系数为386.4w/(m.k)电阻率(20℃时)为0.018%26Omega;%26middot;mm2/m
黄铜导热系数为108.9/(m.k)电阻率(20℃时)为0.071%26Omega;%26middot;mm2/m
铍铜导热系数为195w/(m.k)屈服点高,拉伸强度大和弹性好但导电率低于纯铜