1. Chemical composition of CW502L
according to DIN EN 13388 (in % of mass)
Cu |
Zn |
Pb |
Ni |
Fe |
Sn |
Al |
|
Comment |
Other elements |
84,0- |
Rest |
0,05 |
0,30 |
0,05 |
0,10 |
0,02 |
|
- |
0,10 |
86,0 |
|
|
|
|
|
|
|
|
|
2. Mechanical properties of CW502L
according to DIN EN 1652 sheets/plates, 12449 tubes, 12163/12167 profiles/rods, 12166 wires (common condition)
Condition |
NNominal thickness |
Tensile strength |
Dehngrenze |
Yield strength |
Rigor |
|
in mm |
Rm in MPa |
Rp0,2 in MPa |
in % (min.) |
HBS |
|
over |
up to |
min |
max |
min |
max |
A50 |
A |
|
|
|
|
|
|
|
|
A100 |
|
|
R300/H085* |
max. |
5 |
300 |
370 |
150 |
- |
16 |
25 |
85-115 |
R350/H105* |
max. |
5 |
350 |
420 |
250 |
- |
4 |
12 |
105-135 |
|
General properties |
(Guide values for 20° C) |
|
|
Density of g/cm3 |
8,75 |
Resistance to: |
|
Solidification range ° C |
1005-1025 |
- organic materials |
2 |
Electrical conductivity MS/m |
21,0 |
- neutral / alkaline compounds |
2 |
Thermal conductivity W/(mK) |
159 |
Formability |
|
Therm. linear expansion- |
|
- Warm |
2 |
coeffizient 10-6/K |
18,7 |
- Cold |
1 |
Modulus of elasticity N/mm2 |
122.000 |
Surface treatment |
|
- Gas-shielded welding |
2 |
Mechanical polishing |
1 |
- Gas welding |
2 |
Electrolytic polishing |
1 |
- Resistance welding (blunt) |
4 |
Electroplating |
|
- Hard soldering |
1 |
|
|
- Soft soldering |
1 |
|
|
Machinability |
|
|
|
Generally |
4 |
|
|
3. Main application / Special features of CW502L:
The alloy is used for architectural, stamped and deep-drawn parts. It is also used in the manufacture of jewellery, cosmetics packaging and components in electrical engineering and mechanical engineering.
* The maximum nominal size available for each condition depends on the shape required.