钨铜牌号及性能
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钨铜牌号及性能
| 牌号 | Cu%（WT） | W%（WT） | RWMA
Class |
密度
(Min)
|
导电率
(Min)
|
硬度
(Min)
| 导热系数 | 热膨胀系数 |
| CuW55 | 45±2 | Balance | 10 | 12.30g/cm3 | 49%IACS | 125HB | ~260(W/mK) | ~11.7(10-6/K) |
| CuW60 | 40±2 | Balance | | 12.75g/cm3 | 47%IACS | 140HB | | |
| CuW65 | 35±2 | Balance | | 3.30g/cm3 | 44%IACS | 155HB | | |
| CuW70 | 30±2 | Balance | | 13.80g/cm3 | 42%IACS | 175HB | ~240(W/mK) | ~9.7(10-6/K) |
| CuW75 | 25±2 | Balance | 11 | 14.50g/cm3 | 38%IACS | 195HB | 200~230 (W/mK) | 9.0~9.5 (10-6/K) |
| CuW80 | 20±2 | Balance | 12 | 15.15g/cm3 | 34%IACS | 220HB | 190~210(W/mK) | 8.0~8.5 (10-6/K) |
| CuW85 | 15±2 | Balance | | 15.90g/cm3 | 30%IACS | 240HB | 180~200(W/mK) | 7.0~7.5(10-6/K) |