來(lái)源:彈簧 發(fā)布時(shí)間:2021-10-09 22:25:27
彈簧用銅合金的物理性能
組 別 | 牌 號(hào) | 密 度 ρ/g·cm-3 | 線(xiàn)脹系數(shù) a/(106K)-1 | 熱 導(dǎo) 率 λ/(10-6W·m-1·K-1) | 電 阻 率 ρ/(10-9Ω·m) | 彈性模量 E/MPa | 切變模量 G/MPa |
硅青銅 | QSi3-1 | 8.47 | 15.8 | 1.1 | 150 | 93 163 | 40 207 |
錫青銅 | QSn4-3 | 8.80 | 18.0 | 2.0 | 87 | 93 163 | 39 227 |
QSn4-0.3 | 8.90 | 17.6 | 2.0 | 91 | |||
QSn6.5-0.1 | 8.80 | 17.2 | 1.4 | 128 | |||
QSn6.5-0.4 | 8.80 | 17.1 | 1.5~2.0 | 176 | 93 163 | 39 227 | |
QSn7-0.2 | 8.80 | 17.5 | 1.2 | — | |||
鋁青銅 | QAl5 | 8.2 | 18.0 | 2.5 | 100 | 103 000 | 41 100 |
QAl7 | 7.8 | 17.8 | 1.9 | 110 | |||
QAl9-2 | 7.6 | 17.0 | 1.7 | 110 | |||
QAl9-4 | 7.5 | 16.2 | 1.4 | 120 | |||
鈹青銅 | QBe2 | 8.23 | 16.6 | 2.0~2.5 | — | 129 448 | 42 169 |
白銅 | BMn40-1.5 | — | — | — | — | — | — |
BMn3-12 | — | — | — | — | — | — | |
BZn15-20 | 8.60 | 16.6 | 0.60~0.85 | 260 | 123 564 | 39 227 | |
BAl6-1.5 | 8.70 | — | — | — | — | — | |
BAl13-3 | — | — | — | — | — | — | |
B19 | 8.90 | 16.0 | 0.92 | 287 | 137 293 | 39 227 |