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Permalloy 65 (68NMP) – High-Permeability Nickel-Iron Soft Magnetic Alloy Technical Comparison Parameter Permalloy 65 Regular Electrical Steel Permeability (μ) Up to 200,000 2,000-5,000 Hc (A/m) 0.8-1.6 40-80 Core Loss Very Low Moderate Sensitivity High Medium Key Advantages of Permalloy 65 ✅ Highest magnetic permeability among industrial alloys ✅ Minimal energy losses in alternating fields ✅ […]
| Parameter | Permalloy 65 | Regular Electrical Steel |
|---|---|---|
| Permeability (μ) | Up to 200,000 | 2,000-5,000 |
| Hc (A/m) | 0.8-1.6 | 40-80 |
| Core Loss | Very Low | Moderate |
| Sensitivity | High | Medium |
✅ Highest magnetic permeability among industrial alloys
✅ Minimal energy losses in alternating fields
✅ Stable characteristics across wide temperature range (-60…+100°C)
✅ Excellent workability (rolling, stamping, machining)
The alloy is particularly effective in:
Sensitive magnetic field sensors
High-frequency chokes and transformers
Electromagnetic shielding systems
Precision measuring devices
Delivery Forms Permalloy 65
| Permalloy 65 wheel |
Diameter 4-300mm |
| Permalloy 65 sheet |
Thickness 0.5-20mm |
| Permalloy 65 Tape |
Thickness 0.2-2mm |
| Permalloy 65 strip |
Thickness 10-50mm |
| Permalloy 65 wire |
Diameter 0.5-9mm |
| Permalloy 65 Tube |
– Hot Rolled Round Tube diameter 38 or more up to 244.5 mm, thickness from 3 to 25 mm -Cold drawn round tube diameter from 6 to 219.1mm thickness from 0.9 to 14.2mm |
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