CuNi18Zn20 (CW408J)

 

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

60,0

-

-

17,0

-

-

 Reste

-

8,7

Maxi:

63,0

0,3

0,5

19,0

0,03

0,03

-

0,2

 

Mechanical properties of bars for screw cutting (EN 12164) :

State
Nominal size of the straight section
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness

HB or HV

approx

Diameter mm

Size on flat mm

from
until and included
from
until and included
A100mm % min.
A11,3 % min.
A % min.

M

2

50

2

40

 

 

 

 

 

 

R420

2

50

2

40

420

(280)

12

16

20

(130)

R500

2

10

2

6

500

(420)

(4)

6

8

(160)

R650

2

8

2

8

650

(600)

-

-

-

(180)

 

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

1,5

-

12,0

-

-

-

-

-

-

-

-

R450

1,5

-

12,0

450

-

(320)

8

10

12

-

-

H120

1,5

-

12,0

-

-

-

-

-

-

120

160

R570

1,5

-

10,0

570

-

(460)

(2)

5

8

-

-

H150

1,5

-

10,0

-

-

-

-

-

-

150

200

 

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

 

 

 

 

 

R550

-

-

6

550

(400)

(8)

-

-

H150

-

-

6

-

-

-

150

155

R480

-

6

60

480

(300)

(15)

-

-

H130

-

6

60

-

-

-

130

135