Cuprothal 15 is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400°C (750°F).
Curpothal 15 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.
Chemical composition
|
Ni % |
Cu % |
| Nominal composition |
11.0 |
Bal. |
Mechanical properties
| Wire size |
Yield strength |
Tensile strength |
Elongation |
| Ø |
Rp0.2 |
Rm |
A |
| mm |
MPa |
MPa |
% |
| 1.00 |
130 |
300 |
30 |
Physical properties
| Density g/cm3 |
8.9 |
| Electrical resistivity at 20°C Ω mm2/m |
0.15 |
Temperature factor of resistivity
| Temperature °C |
20 |
100 |
200 |
300 |
400 |
| Ct |
1.00 |
1.035 |
1.07 |
1.11 |
1.15 |
Coefficient of thermal expansion
| Temperature °C |
Thermal Expansion x10-6/K |
| 20-100 |
16 |
Thermal conductivity
| Temperature °C |
20 |
| W m-1 K-1 |
60 |
Specific heat capacity
| Temperature °C |
20 |
| kJ kg-1 K-1 |
0.380 |
| Melting point °C |
1100 |
| Max continuous operating temperature in air °C |
400 |
| Magnetic properties |
The material is non-magnetic |
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Kanthal materials.
Datasheet updated 2012-06-20 09:59:09 (supersedes all previous editions)
