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 Makeup48Ni-Fe
Product shapeCoilSheetPlate
ApplicationsCurrent/voltage sensors, Electronic components, Magnetic shields.
Elemental Composition48Ni-Fe

Chemical Composition

Specification (NASPB)CSiMnNiFe
≦0.05≦0.05≦0.8045.0~49.0Bal.

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
MagnetismFerromagnetic
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 material26052035140

Work Hardening Properties

Cold rolled and annealed material

Softening Properties.

Cold rolled and annealed material

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
0.3511,000130,0003.51.51100°C×3hr
0.3519,000175,0002.91.51180°C×4hr

AC Magnetic Properties

Sheet thickness [mm]Magnetic annealing conditionsEffective permeability [μe]300Hz1kHz
0.351100°C×3hr4,0002,000
0.351180°C×4hr3,8001,800

 

Effect of Magnetic Annealing Conditions on Magnetic Properties

Moreover, Nippon Yakin supplies NASPB in sheet and strip forms, which makes it ideal for applications requiring strong magnetic properties.

Applications

  • Current/voltage sensors
  • Electronic components
  • Magnetic shields

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