Cu%(WT)

W%(WT)

RWMAClass

Density(Min)

Electric conductivity(Min)

Hardness(Min)

Heat conductivity

Thermal expansion

CuW55

45±2

Balance

10

12.30 g/cm3

49%  IACS

125HB

~260(W/mK)

~11.7(10-6/K)

CuW60

40±2

Balance

12.75 g/cm3

47% IACS

140HB

CuW65

35±2

Balance

3.30 g/cm3

44% IACS

155HB

CuW70

30±2

Balance

13.80 g/cm3

42% IACS

175HB

~240(W/mK)

~9.7(10-6/K)

CuW75

25±2

Balance

11

14.50 g/cm3

38% IACS

195HB

200~230 (W/mK)

9.0~9.5 (10-6/K)

CuW80

20±2

Balance

12

15.15 g/cm3

34% IACS

220HB

190~210(W/mK)

8.0~8.5 (10-6/K)

CuW85

15±2

Balance

15.90 g/cm3

30% IACS

240HB

180~200(W/mK)

7.0~7.5(10-6/K)