1. Chemical composition of CW624N
according to DIN EN 13388 (in % of mass)
Cu |
Zn |
Pb |
Ni |
Fe |
Sn |
Al |
|
Comment |
Other Elements |
55,0- |
Rest |
1,6- |
0,30 |
0,30 |
0,30 |
0,05- |
|
- |
0,20 |
57,0 |
|
3,0 |
|
|
|
0,5 |
|
|
|
2. Mechanical properties of CW624N
according to DIN EN 12167 profiles/rods (common condition)
Condition |
Nominal thickness |
Tensile strength |
Yield strength |
Ultimate elongation |
Rigor |
|
in mm |
Rm in MPa |
Rp0,2 in MPa |
in % (min.) |
HBS |
|
over |
up to |
min |
max |
min |
max |
A50 |
A |
|
|
|
|
|
|
|
|
A100 |
|
|
M |
all |
|
as manufactured - without specification of mechanical values |
Physical properties |
General properties |
(Guide values for 20° C) |
|
|
Density of g/cm3 |
8,4 |
Resistance to: |
|
Solidification range ° C |
870-885 |
- organic materials |
2 |
Electrical conductivity MS/m |
16,4 |
- neutral / alkaline compounds |
2 |
Thermal conductivity W/(mK) |
126 |
Formability |
|
Therm. linear expansion- |
|
- Warm |
1 |
coeffizient 10-6/K |
21,2 |
- Cold |
5 |
Modulus of elasticity N/mm2 |
97.000 |
|
|
Connection works |
|
Surface treatment |
|
- Gas-shielded welding |
5 |
Mechanical polishing |
2 |
- Gas welding |
5 |
Electrolytic polishing |
5 |
- Resistance welding (blunt) |
5 |
Electroplating |
1 |
- Hard soldering |
3 |
|
|
- Soft soldering |
1 |
|
|
Machinability |
|
|
|
Generally |
2 |
|
|
3. Main application / Special features of CW624N:
This alloy is often used for profiles with thin wall thicknesses or complex geometries.
* The maximum available nominal size of each condition depends on the shape required.