Code number

Resistivity

μΩ.(20)

Temperature coefficient of resistance( 20-600)

X10⁵/

Melting point

Density

g/?

Specific heat j/gk

(20)

Conductivity coefficient w/mk

(20)

The average linear thermal expansion coefficient 10-4k

(20-400)

Thermal emf of copper uv/k

(0-100)

character

Processing

Weldability

CuNi1

0.03

<100

1085

8.9

0.38

145

17.5

-8.

Better corrosion resistance

Good.

Good

CuNi2

0.05

<120

1090

8.9

0.38

130

17.5

-12

CuNi6

0.10

<60

1095

8.9

0.38

92

17.5

-18

CuNi8

0.12

<57

1097

8.9

0.38

75

17.5

-22

CuMn3

0.12

<38

1050

8.9

0.39

84

18

CuNi10

0.15

<50

1100

8.9

0.38

59

17.5

-25

CuNi14

0.20

<38

1115

8.9

0.38

48

17.5

-28

CuNi19

0.25

<25

1135

8.9

0.38

38

17.5

-32

CuNi23

0.30

<16

1150

8.9

0.38

33

17.5

-34

CuNi30

0.35

<10

1170

8.9

0.39

27

17

-37

CuNi34

0.40

<0

1180

8.9

0.40

25

16

-39

CuNi40

0.48

<-5

1250

8.9

0.41

23

15

-41

CuNi44

0.49

<-6

1280

8.9

0.41

23

15

-43