CuNi12Zn24 (CW403J)

 

That alloy is frequently used for the manufacturing of the contact springs with relay in telecommunication and for other equipments due to its elastic properties at ambient temperatures and moderately high and its brazing ability and its tarnishing resistance.

 

Chemical compound %

Agent
Cu
Fe
Mn
Ni
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

 63,0

-

-

11,0

-

-

 Reste

-

8,7
Maxi:

66,0

0,3

0,5

13,0

0,03

0,03

-

0,2

 

Mechanical properties of bars for general usings (EN 12163) :
State
Implementation
Diameter or size/flats mm
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2 Rp0,2 N/mm²
Stretching
Hardness
from
more than
until
A100mm % min.
A11,3 % min.
A % min.
HB min.
HB max.
HV min.
HV max.

M

 

2

-

50

-

-

-

-

-

-

 -

-

-

 R380

 

2

 -

50

380

 (270)

28

33

38

 -

 -

 -

 -

H090

 

2

-

50

-

-

-

-

-

90

130

95

135

R450

 

2

-

40

450

(300)

8

10

12

-

-

-

-

H130

 

2

-

40

-

-

-

-

-

130

160

135

165

R540

 

2

-

10

540

(450)

(2)

(3)

5

-

-

-

-

H160

 

2

-

10

-

-

-

-

-

160

190

170

200

R640

 

2

-

4

640

(550)

-

-

-

-

-

-

-

H190

 

2

-

4

-

-

-

-

-

190

-

200

-

 

Mechanical properties of wires (EN 12166) :
State
Diameter
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness HV
from
more than
until
min.
Max.
A100mm % min.
A11,3 % min.
A % min.
min.
max.

M

All sizes

-

-

-

-

-

-

-

-

R430

0,1

-

0,5

430

530

(190)

(20)

-

-

-

-

R400

-

0,5

1,5

400

510

(180)

25

-

-

-

-

R370

-

1,5

4,0

370

480

(170)

30

-

-

-

-

H085

1,5

-

4,0

-

-

-

-

-

-

85

140

R360

-

4,0

20,0

360

480

(160)

-

35

40

-

-

H080

-

4,0

20,0

-

-

-

-

-

-

80

130

R520

0,1

-

0,5

520

620

(340)

(5)

-

-

-

-

R480

-

0,5

1,5

480

580

(320)

(8)

-

-

-

-

R460

-

1,5

4,0

460

560

(310)

(12)

-

-

-

-

R440

-

4,0

20,0

440

540

(290)

-

(15)

(20)

-

-

H130

1,5

-

20,0

-

-

-

-

-

-

130

170

R620

0,1

-

0,5

620

730

(510)

-

-

-

-

-

R580

-

0,5

1,5

580

680

(470)

-

-

-

-

-

R560

-

1,5

4,0

560

660

(460)

(5)

-

-

-

-

H170

1,5

-

4,0

-

-

-

-

-

-

170

200

R530

-

4,0

8,0

530

630

(440)

-

(6)

-

-

-

H165

-

4,0

8,0

-

-

-

-

-

-

165

195

R730

0,1

-

0,5

730

850

(710)

-

-

-

-

-

R680

-

0,5

1,5

680

800

(670)

-

-

-

-

-

R660

-

1,5

4,0

660

780

(650)

-

-

-

-

-

H195

1,5

-

4,0

-

-

-

-

-

-

195

225

R630

-

4,0

8,0

630

750

(620)

-

-

-

-

-

H185

-

4,0

8,0

-

-

-

-

-

-

185

215

R850

0,1

-

0,5

850

-

(860)

-

-

-

-

-

R800

-

0,5

1,5

800

-

(810)

-

-

-

-

-

R780

-

1,5

4,0

780

-

(790)

-

-

-

-

-

H210

1,5

-

4,0

-

-

-

-

-

-

210

-

 

Mechanical properties of sections and rectangular bars (EN 12167):
State
Sizes
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching A %
Hardness
Section
Rectangular bars thickness mm
> at
< or =
HB min.
HV min

M

All

 All

 

 

 

 

 

R500

-

-

6

500

(350)

(12)

-

-

H140

-

-

6

-

-

-

140

145

R450

-

6

60

450

(280)

(20)

-

-

H120

-

6

60

-

-

-

120

125