Nikrothal LX is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 300°C (570°F). The alloy is characterized by high resistivity in combination with low temperature coefficient of resistance.
Nikrothal LX is typically used for electronic components.
Chemical composition
|
C % |
Si % |
Mn % |
Cr % |
Fe % |
Al % |
Ni % |
Cu % |
| Nominal composition |
|
|
|
|
|
|
Bal. |
|
| Min |
- |
0.50 |
2.1 |
18.0 |
- |
2.40 |
- |
1.60 |
| Max |
0.02 |
0.70 |
2.3 |
20.0 |
0.10 |
2.60 |
- |
1.80 |
Mechanical properties
| Yield strength |
Tensile strength |
Elongation |
| Rp0.2 |
Rm |
A |
| MPa |
MPa |
% |
| 800-1200 |
950-1400 |
3-25 |
Physical properties
| Density g/cm3 |
8.30 |
| Electrical resistivity at 20°C Ω mm2/m |
1.33
|
Temperature coefficient of resistance with reference to +25°C
| Temperature range |
Temperature coefficient of resistance |
Temperature coefficient of resistance |
| °C |
PPM/°C |
PPM/°C |
| -55 - +250 |
-5 - +5 |
-10 - +10 |
| Thermal electromotive force against Cu μV/°C |
+1.0 |
Coefficient of thermal expansion
| Temperature °C |
Thermal Expansion x 10-6/K |
| 20 - 300 |
14 |
Thermal conductivity
| Temperature °C |
20 |
| W m-1 K-1 |
15 |
Specific heat capacity
| Temperature °C |
20 |
| kJ kg-1 K-1 |
0.46 |
| Melting point °C |
1390 |
| Max continuous operating temperature in air °C |
1150 |
| Magnetic properties |
The material is slightly magnetic |
| Emissivity - fully oxidized material |
0.88 |
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 11:21:59 (supersedes all previous editions)
