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Formula: Ni 77/Fe 14/Cu 5/Mo 4
Form: Rod
Material: Magnetic Shielding Alloy
Commodity: Alloys
Hazard Pictogram:
GHS07, GHS08
Magnetic Shielding Alloy Rods (Ni77/Fe14/Cu 5/Mo 4) are soft magnetic nickel-iron alloy products offered in our extensive range of rods. With 27 variations available, properties like high permeability and low coercivity make these rods ideal for applications like magnetic shielding and flux conduction in devices such as transformers, inductors and electric motors. The tailored magnetic response of MuMetal® allows these rods to be precision engineered for roles across electronics and electrical engineering.
Health hazard/Hazardous to the ozone layer
Serious health hazard
Tolerances
Rod
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 105-290 |
| Modulus of elasticity( GPa ) | 190-221 |
| Izod impact strength( J m⁻¹ ) | 42-100 |
| Tensile strength( MPa ) | 530-900 |
Magnetic Properties
| Element | Value |
|---|---|
| Initial permeability | 60000 |
| Maximum permeability | 240000 |
| Coercivity (Hc)( A m⁻¹ ) | 1 |
| Curie temperature( C ) | 380 |
| Remanence from saturation (Brem)( T ) | 0.37 |
| Saturation Induction( T ) | 0.77 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 55-62 |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 8.8 |
Thermal Properties
| Element | Value |
|---|---|
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 30-35@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 13@20-100°C |
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