| M-type Ferrite | Chemical formula | MS | Coercivity (HC) | Isotropic Mr/Ms | HA (K∙Am−1) | K1 (105 jm−3) | TC (˚C) |
| SrM | SrFe12O19 | 92 - 74 | High value | 0.50 | 1592 | 3.5 | 460 |
| BaM | BaFe12O19 | 72 | High value | 0.50 | 1353 | 3.3 | 450 |