Table 2.
Metal | %IACS | Resistivity Ω·m | Permeability | 36.8% Depth of Penetration | |||||
---|---|---|---|---|---|---|---|---|---|
1 kHz | 4 kHz | 16 kHz | 64 kHz | 256 kHz | 1 MHz | ||||
copper | 100 | 1.7 | 1 | 0.082 | 0.041 | 0.021 | 0.010 | 0.005 | 0.0026 |
6061 T-6 | 42 | 4.1 | 1 | 0.126 | 0.063 | 0.032 | 0.016 | 0.008 | 0.004 |
7075 T-6 | 32 | 5.3 | 1 | 0.144 | 0.072 | 0.036 | 0.018 | 0.009 | 0.0046 |
Magnesium | 37 | 4.6 | 1 | 0.134 | 0.067 | 0.034 | 0.017 | 0.008 | 0.0042 |
Lead | 7.8 | 22 | 1 | 0.292 | 0.146 | 0.073 | 0.37 | 0.018 | 0.0092 |
Uranium | 6.0 | 29 | 1 | 0.334 | 0.167 | 0.084 | 0.042 | 0.021 | 0.0106 |
Zirconium | 3.4 | 70 | 1.02 | 0.516 | 0.258 | 0.129 | 0.065 | 0.032 | 0.0164 |
Steel | 2.9 | 60 | 750 | 0.019 | 0.0095 | 0.0048 | 0.0024 | 0.0012 | 0.0006 |
Cast steel | 10.7 | 16 | 175 | 0.018 | 0.0089 | 0.0044 | 0.0022 | 0.0011 | 0.0006 |