LORK is a alloy manufacturer with 20 years of manufacturing experience.
HyMu 80, a magnetic shielding material, is suitable for use across a broad spectrum of applications. Featuring high permeability with low hysteresis loss, the material's shielding properties make it a suitable option for protecting electronic components against stray or low-frequency magnetic fields.
HyMu 80 is an 80% nickel-iron-molybdenum alloy, as it's is widely used in magnetic shielding applications, isolating electronic components against magnetic interference for optimal functionality.
HyMu 80 Permalloy Applications
HyMu 80 is used in the following application areas:
-Transformer cores
-Telephone and recording devices
-Protecting sensitive medical equipment in an MRI facility
-Protecting electrical components from stray magnetic fields
-Tape wound toroids and lamentations where compactness and weight factors are important
HyMu 80 Permalloy Chemical Composition
Element |
Content(%) |
Nickel, Ni |
80% |
Iron, Fe |
15% |
Molybdenum, Mo |
4.2% |
Manganese, Mn |
0.50% |
Silicon, Si |
0.35% |
Carbon, C |
0.020% |
HyMu 80 Permalloy Physical Properties
Properties |
Metric |
Imperial |
Density |
8.74 g/cc |
0.316 lbs/in3 |
Melting Point |
1454°C |
2649°F |
HyMu 80 Permalloy Mechanical Properties
Properties |
Metric |
Imperial |
Hardness, Rockwell B |
97 |
97 |
Tensile Strength, Ultimate |
669 MPa |
97000 psi |
Tensile Strength, Yield |
414 MPa |
60000 psi |
Elongation at Break |
37% |
37% |
Modulus of Elasticity |
232 GPa |
33600 ksi |
Reduction of Area |
71% |
71% |
Izod Impact |
163 J |
120 ft-lb |
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HyMu 80 Permalloy Thermal Properties
Properties |
Metric |
Imperial |
CTE, linear |
12.0 µm/m-°C |
6.67 µin/in-°F |
Specific Heat Capacity |
0.494 J/g-°C |
0.118 BTU-in/hr-ft²-°F |
Thermal Conductivity |
34.6 W/m-K |
240 BTU-in/hr-ft²-°F |