1. Chemical composition of CW508L
according to DIN EN 13388 (in % of mass)
Cu |
Zn |
Pb |
Ni |
Fe |
Sn |
Al |
|
Comment |
Other elements |
62,0- |
Rest |
0,10 |
0,30 |
0,10 |
0,10 |
0,05 |
|
- |
0,10 |
64,0 |
|
|
|
|
|
|
|
|
|
2. Mechanical properties of CW508L
according to DIN EN 1652 sheets/plates, 12449 tubes, 12163/12167 profiles/rods, 12166 wires (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 |
R290/H050* |
max. |
80 |
290 |
- |
- |
230 |
- 30 |
45 |
50-100 |
R300/H055* |
0,2 |
5 |
300 |
370 |
- |
180 |
38 - |
48 |
55-95 |
R350/H095* |
0,2 |
5 |
350 |
440 |
170 |
- |
19 - |
28 |
95-125 |
R370/H085* |
max. |
40 |
370 |
- |
240 |
- |
- 10 |
14 |
85-145 |
R410/H120* |
0,2 |
5 |
410 |
490 |
300 |
- |
8 - |
12 |
120-155 |
R440/H115* |
max. |
5 |
440 |
- |
320 |
- |
- - |
10 |
110 |
R480/H150* |
0,2 |
2 |
480 |
560 |
430 |
- |
3 - |
- |
150-180 |
Physical properties |
General properties |
(Guide values for 20° C) |
|
|
Density of g/cm3 |
8,44 |
Resistance to: |
|
Solidification range ° C |
904-920 |
- organic materials |
2 |
Electrical conductivity MS/m |
15,5 |
- neutral / alkaline compounds |
2 |
Thermal conductivity W/(mK) |
121 |
Formability |
|
Therm. linear expansion- |
|
- Warm |
2 |
coeffizient 10-6/K |
20,2 |
- Cold |
1 |
Modulus of elasticity N/mm2 |
110.000 |
|
|
Connection works |
|
Surface treatment |
|
- Gas-shielded welding |
3 |
Mechanical polishing |
1 |
- Gas welding |
3 |
Electrolytic polishing |
3 |
- Resistance welding (blunt) |
3 |
Electroplating |
1 |
- Hard soldering |
1 |
|
|
- Soft soldering |
1 |
|
|
Machinability |
|
|
|
Generally |
4 |
|
|
3. Main application / Special features of CW508L:
Like CW502L, CW508L is ideally suited for cold forming, although somewhat worse due to the higher zinc content, but still almost identical.
* The maximum nominal size available for each condition depends on the shape required.