Iron-Nickel Alloy with High initial permeability FeNi80Mo5 (permalloy)
Chemical composition:
| Grade | Chemical composition |
| C | P | S | Mn | Si | Ni | Cr | Mo | Cu | Fe |
| ≤ |
FeNi80Mo5 | 0.03 | 0.02 | 0.02 | 0.3~0.6 | 0.15~0.3 | 79.0~81.0 | _ | 4.8~5.2 | ≤0.2 | Bal. |
| Mechanical properties |
| Grade | Coefficient of linear expansion | Electrical resistivity | Density | Curie point | Saturation magnetostriction coefficient |
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| α1(20~200℃)/10-6℃-1 | ρ/(μΩ*m) | ρ/(g/cm3) | Tc/ ℃ | λθ/ 10-6 |
| FeNi80Mo5 | 10.90~11.20 | 0.56 | 8.75 | 400.0 | 0.5 |
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