Nifethal® 52 is a nickel-iron alloy (NiFe alloy) for use at temperatures up to 600°C (1110°F). The alloy is characterized by low resistivity and high temperature coefficient of resistance.
Typical applications for Nifethal® 52 are in voltage regulators, timing devices, temperature sensitive resistors, temperature compensating devices, and low temperature heating applications.
Chemical composition
| Ni % | Fe % | |
|---|---|---|
| Nominal composition | 52.0 | Bal. |
Mechanical properties
| Wire size | Yield strength | Tensile strength | Elongation |
|---|---|---|---|
| Ø | Rp0.2 | Rm | A |
| mm | MPa | MPa | % |
| 0.5 | 340 | 610 | 30 |
Physical properties
| Density g/cm3 | 8.20 |
|---|---|
| Electrical resistivity at 20°C Ω mm2/m | 0.37 |
| Temperature °C | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 |
|---|---|---|---|---|---|---|---|---|---|
| Ct | 1.33 | 1.53 | 1.73 | 1.93 | 2.13 | 2.32 | 2.49 | 2.64 | 2.77 |
| Temperature °C | Thermal Expansion X10-6/K |
|---|---|
| 20-100 | 10 |
| Temperature °C | 20 |
|---|---|
| W m-1 K-1 | 17 |
| Temperature °C | 20 |
|---|---|
| kJ kg-1 K-1 | 0.50 |
| Melting point °C | 1435 |
|---|---|
| Max continuous operating temperature in air °C | 600 |
| Magnetic properties | The material is magnetic up to approximately 530°C (the Curie point). |
