Comparison of magnetic characteristics (JFE in-house data) : Rolling direction, shear cross-section

Material Thickness (mm) DC max relative permeability Saturation magnetiza- tion (T) Magnetic flux density B8(T) Magnetic flux density B25(T) Core loss (W/kg) W10/50 W10/400 W10/1k W5/2k W2/5k W1/10k W0.5/20k JNHF-Core 0.10 0.20 4.100 3.900 1.88 1.94 1.15 1.09 1.44 1.47 1.1 1.2 10.1 14.5 30.0 51.6 20.2 29.1 11.5 17.9 7.1 12.7 5.0 9.5 JNEX-Core 0.10 23.000 1.80 1.29 1.40 0.5 5.7 18.7 13.7 11.3 8.3 6.9 Non-oriented silicon steel 0.23 92,000 0.23 1.92 1.96 0.3 7.8 35.0 33.0 33.0 30.0 32.0 Amorphous 0.025 300.000 1.50 - - 0.1 1.5 5.5 8.1 4.0 3.6 3.3

*W10/50 is the core loss at 50 Hz, 1 T (=10kG) when the magnetic flux sine wave is excited *B8 is the magnetic flux density at 800A/m.