| Performance index | Iron-based amorphous | Nanocrystalline alloy | Permalloy | Cold silicon steel |
| Saturated magnetic induction (Bs) (T) |
1.56 | 1.25 | 0.75T | 2.03 |
| Maximum permeability ( mm) | 45*10⁴ | 60*10⁴ | 60*10⁴ | 4*10⁴ |
| Initial permeability ( mO) | 103~10⁴ | 4~8*10⁴ | 5~8*10⁴ | ~103 |
| Coercivity(Hc) ( A/M) | 4 | 1.2 | 30 | |
| Iron loss ( W/Kg) | P1.0T/1KHz<4 | P0.2T/1KHz<3.4 | P1.0T/1KHz<20 | |
| Electric resistivity (r) ( mW. cm) | 130 | 90 | 47 | |
| Curie temperature (℃) | 570 | 400 | 740 | |
| Specific gravity (d) (g/cm3) | 7.2 | 7.25 | 8.75 | 7.65 |
| Thickness of strip ( mm) | 0.03 | 0.03 | 0.15 | 0.3 |
| Model of magnetic core | Size of magnetic core | Finished size | Length of magnetic path |
Effective sectional area | Gram weight | ||||
| TD(mm) | ID(mm) | H(mm) | TD(mm) | ID(mm) | H(mm) | Le(cm) | Ae(cm²) | g | |
| BD-SJ-040025015 | 40 | 25 | 15 | 45 | 20 | 20 | 10.21 | 90 | 66 |
| BD-SJ-050032015 | 50 | 32 | 15 | 55 | 27 | 20 | 12.88 | 108 | 100 |
| BD-SJ-060035025 | 60 | 35 | 25 | 65 | 30 | 30 | 14.92 | 250 | 270 |
| BD-SJ-020012010 | 64 | 40 | 20 | 69 | 35 | 25 | 16.33 | 192 | 220 |
| BD-SJ-025016010 | 70 | 40 | 25 | 75 | 35 | 30 | 17.27 | 300 | 370 |
| BD-SJ-030020010 | 26 | 16 | 10 | 30.6 | 14 | 13.6 | 6.59 | 40 | 19.12 |
| BD-SJ-032020010 | 30 | 20 | 10 | 38.7 | 18 | 136 | 7.85 | 40 | 22.77 |
