1. Chemical composition of CW004A
according to DIN EN 13388 (in % of mass)
Cu |
Bi |
O |
Pb |
Comment |
Other elements |
min |
0,0005 |
0,040 |
0,005 |
- |
0,03 |
99,90 |
2. Mechanical properties of CW004A
n. DIN EN 1652/13148/13599/14436 sheets/plates, EN 13600/13601 rods/profiles,
EN 1977/13602/13605 wires (common condition)
|
Nominal thickness |
Tensile strength |
Yield strength |
Ultimate elongation |
Rigor |
in mm |
Rm in MPa |
Rp0,2 in MPa |
in % (min.) |
HB |
over |
up to |
min |
max |
min |
max |
A50 |
A100 |
A |
M / D |
all |
as manufactured - without specification of mechanical values |
R200/H035* |
max. |
50 |
200 |
- |
- |
120 |
- |
- |
35 |
35-60 |
R250/H065* |
max. |
20 |
250 |
- |
150 |
- |
- |
- |
15 |
60-90 |
R280/H075* |
max. |
20 |
280 |
- |
240 |
- |
- |
- |
10 |
75-100 |
R300/H085* |
max. |
20 |
300 |
- |
260 |
- |
- |
5 |
8 |
85-110 |
R350/H100* |
max. |
10 |
350 |
- |
320 |
- |
- |
3 |
5 |
min. 100 |
Physical properties |
General properties |
(Guide values for 20° C) |
Density of g/cm3 |
8,93 |
Resistance to: |
Solidification range ° C |
1083 |
- organic materials |
2 |
Electrical conductivity MS/m |
> 57 |
- neutral / alkaline compounds |
2 |
Thermal conductivity W/(mK) |
> 385 |
Formability |
Therm. linear expansion- |
- Warm |
3 |
Coeffizient 10-6/K |
17,7 |
- Cold |
1 |
Modulus of elasticity N/mm2 |
127.000 |
Connection works |
Surface treatment |
- Gas-shielded welding |
5 |
Mechanical polishing |
2 |
- Gas welding |
5 |
Electrolytic polishing |
1 |
- Resistance welding (blunt) |
3 |
Electroplating |
1 |
- Hard soldering |
2 |
- Soft soldering |
1 |
Machinability |
Generally |
5 |
3. Main application / Special features of CW004A:
This alloy is mainly used in electrical engineering due to its high conductive properties.
* The maximum available nominal size of each state depends on the required shape.