Physical Properties
| Parameter | Unit | Characteristic Value | |
| Rated Temperature (T) | J/Kg.k | 630-840 | |
| Thermal Conductivity | W/m.k | -5.8 | |
| Linear Expansion Coefficient (a) | l/k | 9-15*10 -6 | |
| Resistivity (ρ) | Ω.m | ＞102 | |
| Recovery Coefficient | μ rec | 1.0-1.1 | |
| Temperature Coefficient a (Br) | △Br/Br | %K | -0.18 － -0.2 |
| △Hc/Hc | %K | 0.2-0.5 | |
| Density (P) | g/cm3 | 4.8-5.1 | |
| Curie Temperature (Tc) | ℃ | 450-460 | |
| K | 723-733 | ||