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)
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
12.75g/cm3
47%IACS
140HB
CuW65
35±2
3.30g/cm3
44%IACS
155HB
CuW70
30±2
13.80g/cm3
42%IACS
175HB
~240(W/mK)
~9.7(10-6/K)
CuW75
25±2
11
14.50g/cm3
38%IACS
195HB
200~230 (W/mK)
9.0~9.5 (10-6/K)
CuW80
20±2
12
15.15g/cm3
34%IACS
220HB
190~210(W/mK)
8.0~8.5 (10-6/K)
CuW85
15±2
15.90g/cm3
30%IACS
240HB
180~200(W/mK)
7.0~7.5(10-6/K)