Introduction
Mumetal is 80% nickel with additions of iron and molybdenum as main elements in turn this alloy offers an extremely high initial permeability. It is only moderately resistant to moisture and atmospheric corrosion, it used mainly in in transformer cores but is well known for its magnetic properties which are used for shielding electrical components from magnetic fields. "HYMU 80" has a minimum DC permeability of 80,000 at a flux density of 40 gauss when heat treated by the recommended procedure and test in accordance with ASTM 596
Typical Uses and Applications
HyMu 80 alloy has been used primarily in transformer cores, tape wound toroids and laminations where compactness and weight factors are important. It has also been used for shielding to protect electrical components from stray magnetic fields.
Product Details
Chemical composition:
| Weight% |
Ni |
Cu |
Cr |
S |
P |
Si |
Mn |
C |
Mo |
Fe |
| Hymu 80 (Comp1) |
79.0-80.6 |
|
|
0.008 |
0.02 |
0.42 |
0.95 |
0.03 |
3.8-5 |
Rem |
| MIL N 14411C (Comp2) |
75.0-77.0 |
4.0-6.0 |
3 |
0.02 |
0.02 |
0.5 |
1.8 |
0.05 |
|
|
Magbetic Properties:
HY MU 80 has a minimum DC permeability of 80,000 at a flux density of 40 gauss when heat treated by the recommended procedure and test in accordance with ASTM 596
Physical Properties:
| Grade |
Density |
Melting Point |
| HY MU 80 |
8.4 g/cm3 |
1290°C-1350 °C |
Mechanical Properties:
| Grade |
Tensile Strength |
Yield Strength |
Elongation in 2" (%) |
| HY MU 80 Annealed Condition |
100,000 |
44,000 |
40 |
Available Specifications:
Available forms:
Inconel 625 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.
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