Temperature T [˚C]

Coercivity H_c [A/m]

Specific remanence σ_R [Am²/kg]

Specific saturation magnetization σ_Sat [Am²/kg]

−170

3500

4.4

57.6

25

186

0.38

57.2

100

33

0.06

51.0

250

10

0.013

54.5