1. Chemical composition of CW021A
according to DIN EN 13388 (in % of mass)
Cu |
Bi |
P |
Pb |
|
|
|
|
Comment |
Other elements |
min |
0,0005 |
0,002- |
0,005 |
|
|
|
|
- |
0,03 |
99,95 |
|
0,007 |
|
|
|
|
|
|
|
|
2. mechanische Eigenschaften of CW021A
according to DIN EN 13599 Sheets/plates, 13600/13601 Rods/Profiles, 1977/13605 Wires (common condition)
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/H040* |
max. |
40 |
200 |
- |
- |
120 |
- |
25 |
35 |
35-65 |
R220/H040* |
max. |
10 |
220 |
260 |
- |
140 |
33 |
- |
42 |
40-65 |
R240/H065* |
max. |
40 |
230 |
- |
160 |
- |
- |
- |
18 |
65-90 |
R250/H070* |
max. |
10 |
240 |
300 |
180 |
- |
8 |
- |
15 |
65-95 |
R290/H090* |
max. |
10 |
290 |
360 |
250 |
- |
4 |
- |
6 |
90-110 |
Physical properties |
General properties |
(Guide values for 20° C) |
|
|
Density of g/cm3 |
8,94 |
Resistance to: |
|
olidification range ° C |
1083 |
- organic materials |
2 |
Electrical conductivity MS/m |
> 57 |
- neutral / alkaline compounds |
|
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 |
1 |
Mechanical polishing |
2 |
- Gas welding |
2 |
Electrolytic polishing |
1 |
- Resistance welding (blunt) |
3 |
Electroplating |
1 |
- Hard soldering |
1 |
|
|
- Soft soldering |
1 |
|
|
Machinability |
|
|
|
Generally |
5 |
|
|
3. Main application / Special features of CW021A:
CW021A is mainly used for components in electrical engineering and electronics (cable tapes, welded cables) as well as for cladding materials.
* The maximum available nominal size of each condition depends on the required shape.