鎢銅牌號及性能
鎢銅牌號及性能
牌號 | Cu%(WT) | W%(WT) | RWMA Class | 密度 (Min) | 導電率 (Min) | 硬度 (Min) | 導熱系數 | 熱膨脹系數 |
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) |