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Formula: Ni 77/Fe 14/Cu 5/Mo 4
Form: Tube
Material: Nickel/Iron/Molybdenum (MuMetal)
Commodity: Alloys
Wall Thickness:
0.07mm
Temper:
As Drawn
Magnetic Shielding Alloy Tube (Ni77/Fe14/Cu5/Mo4) provides high magnetic permeability and excellent attenuation of low-frequency magnetic fields, making it essential for shielding cylindrical structures or conduits. Its composition of nickel, iron, copper, and molybdenum ensures soft magnetic behavior, low coercivity, and stable electrical resistivity. The tubular form enhances its applicability in aerospace, medical imaging, and electronics industries, where enclosing or channeling sensitive systems requires robust and reliable magnetic protection. Specific uses include MRI system housings, protective tubing for aerospace instrumentation, and shielding conduits for superconducting circuits. Research underscores its importance in enabling alloys with refined domain structures and reduced stress sensitivity, critical for improving shielding efficiency and performance consistency. Magnetic Shielding Alloy Tube (Ni77/Fe14/Cu5/Mo4) is thus an indispensable material in advanced research and industrial applications, ensuring precision, safety, and reliability in environments sensitive to magnetic interference.
Health hazard/Hazardous to the ozone layer
Serious health hazard
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
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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