Stainless Steel Foil Permalloy 1J79 Shell Magnetic Head and Magnetically Shielded
Application: Transformer core, Magnetic amplifier, Magnetic shielding
Feature: High initial permeability alloy
Specifications
|
Grade |
1J79- Foil |
|
Thickness |
0.01~0.09mm |
|
Width |
4~250mm |
|
Weight of coil |
2-50 kgs |
|
Condition |
Soft and Bright |
Chemical composition(%)
|
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Fe |
|
1J79 |
≤0.03 |
0.3~0.5 |
0.6~1.1 |
≤0.02 |
≤0.02 |
78.5~80 |
- |
3.8~4.1 |
Bal. |
Physical properties
- Density (g/cm3): 8.6
- Curie point (): 450
- Electrical resistivity (μΩ*cm): 55 (20)
- Thermal conductivity ( W/m. ): 13.4
Magnetic properties
- Initial permeability μ0 (mH/m): ≥40
- Maximum permeability μm (mH/m): ≥310
- Coercivity Hc (A/m): ≤2.0
- Saturation magnetic induction Bs (T): 0.73
We can control the temperature of the heat treatment in order to achieve customer requirements permeability.
