General Description
Mu 49 (FeNi50) is a soft magnetic alloy, consisting of 49% Nickel, balance Iron, it has a saturation induction of 1.55 T and high permeability, used where high initial permeability, maximum permeability, and low core loss is needed.
Chemical Composition
Grade | C% | P% | S% | Mn% | Si% | Ni% | Fe% |
---|---|---|---|---|---|---|---|
Mu 49 | Max 0.03 | Max 0.02 | Max 0.02 | 0.30-0.60 | 0.15-0.30 | 49.0-50.5 | Bal. |
Physical Properties
Density: 8.25 g/cm3
Curie Temp: 470 °C
Electrical Resistivity: 0.45 μΩ·m
Magnetic Properties
Saturation Induction: 1.55T
Maximum Permeability: 60,000
Coercive Force – A/m: 4.8-20
Mechanical Properties
Soft Annealed
Tensile: Min 450 MPa
Yield: Min 150 MPa
Elongation: Min 35%
Forms
Wire/Rod, Strip/Sheet, Tube are available