1. Chemical composition of CW103C
according to DIN EN 13388 (in % of mass)
| Cu | Be | Co | Fe | Ni | Comment | Other Elements | ||||
| Rest | 0,4- | 0,8- | 0,20 | 0,8- | – | 0,50 | ||||
| 0,7 | 1,3 | 1,3 |
2. mechanical properties of CW103C
according to DIN EN 1652 sheets/plates, 12163/12167 rods/profiles, 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.) | HB | ||||||
| over | up to | min | max | min | max | A50 | A100 | A | ||
| M | alle | as manufactured – without specification of mechanical values | ||||||||
| R240/H060* | max. | 15 | 240 | – | – | 220 | 20 | – | 20 | 60-130 |
| R680/H220* | max. | 100 | 680 | – | 550 | – | – | – | 10 | 220-270 |
| R730/H230* | max. | 60 | 730 | – | 610 | – | – | 2 | 8 | 230-310 |
| Physical properties | General properties | ||
| (Guide values for 20° C) | |||
| Density of g/cm3 | 8,8 | Resistance to: | |
| Solidification range ° C | k.A. | – organic materials | k.A. |
| Electrical conductivity MS/m | 25 | – neutral / alkaline compounds | k.A. |
| Thermal conductivity W/(mK) | ~210 | Formability | |
| Therm. linear expansion- | – Warm | k.A. | |
| Coeffizient 10-6/K | 17,0 | – Cold | k.A. |
| Modulus of elasticity N/mm2 | 135.000 | ||
| Connection works | Surface treatment | ||
| – Gas-shielded welding | k.A. | Mechanical polishing | k.A. |
| – Gas welding | k.A. | Electrolytic polishing | k.A. |
| – Resistance welding (blunt) | k.A. | Electroplating | k.A. |
| – Hard soldering | k.A. | ||
| – Soft soldering | k.A. | ||
| Machinability | |||
| Generally | 4 | ||
3. Main application / Special features of CW103C:
CW103C is the preferred electrode material for various welding processes, especially for stainless steels.
* The maximum available nominal size of each condition depends on the required shape.