Nippon Yakin Kogyo Co., Ltd
Nippon Yakin Kogyo NASPB SoftMagnetic Alloys
Manufacturer: Nippon Yakin Kogyo Co., Ltd
Model : NASPB
NASPB
Soft Magnetic Material
NASPB is an Fe-Ni soft magnetic alloy with about 48% Ni. This alloy features high magnetic permeability and relatively high saturation magnetic flux density. Moreover, Nippon Yakin supplies NASPB in sheet and strip forms, making it ideal for applications requiring strong magnetic properties.
| Chemical Makeup | 48Ni-Fe | ||
| Product shape |  Coil |  Sheet |  Plate |
| Applications | Current/voltage sensors, Electronic components, Magnetic shields. | ||
| Elemental Composition | 48Ni-Fe | ||
Chemical Composition
| Specification (NASPB) | C | Si | Mn | Ni | Fe |
|---|---|---|---|---|---|
| ≦0.05 | ≦0.05 | ≦0.80 | 45.0~49.0 | Bal. |
Physical Properties
| Density | [g/cm³] | 8.2 |
|---|---|---|
| Specific heat | [J/kg·K] | 450 |
| Electrical resistivity | [µΩ·cm] | 44 |
| Average coefficient of thermal expansion | [10⁻⁶/°C 25~100°C] | 9 |
| Curie point | [°C] | 460 |
| Magnetism | Ferromagnetic | |
| Melting range | [°C] | 1416~1444 |
Mechanical Properties
Mechanical Properties at Room Temperature
| 0.2% proof stress [MPa] | Tensile strength [MPa] | Elongation [%] | Hardness [HV] | |
|---|---|---|---|---|
| Cold rolled and annealed material | 260 | 520 | 35 | 140 |
Work Hardening Properties
Softening Properties.
DC Magnetic Properties
| Sheet thickness [mm] | Initial relative permeability [μi] | Maximum relative permeability [μm] | Coercivity [A/m] | Saturation magnetic flux density [T] | Magnetic annealing conditions |
|---|---|---|---|---|---|
| 0.35 | 11,000 | 130,000 | 3.5 | 1.5 | 1100°C×3hr |
| 0.35 | 19,000 | 175,000 | 2.9 | 1.5 | 1180°C×4hr |
AC Magnetic Properties
| Sheet thickness [mm] | Magnetic annealing conditions | Effective permeability [μe] | 300Hz | 1kHz |
| 0.35 | 1100°C×3hr | 4,000 | 2,000 | |
| 0.35 | 1180°C×4hr | 3,800 | 1,800 | |
Effect of Magnetic Annealing Conditions on Magnetic Properties
Applications
- Current/voltage sensors
- Electronic components
- Magnetic shields
