Soft Magnetic Alloy
Material introduction: Metal soft magnetic functional materials, mainly used in electro-acoustic devices, motors, sensors, precision instruments, measuring equipment and other functional parts.
Element composition:
|
Model |
C |
Si |
Mn |
Cr |
Co |
Ni |
V |
Fe |
|
430L |
≤0.03 |
≤0.75 |
≤1 |
17±2 |
- |
≤0.6 |
- |
Bal. |
|
FeNi50 |
≤0.03 |
≤1 |
≤1 |
- |
- |
50±2 |
- |
Bal. |
|
FeCo50 |
≤0.03 |
≤0.3 |
≤1 |
≤0.2 |
50±2 |
≤0.5 |
- |
Bal. |
|
FeCo49V2 |
≤0.03 |
≤0.3 |
≤1 |
≤0.2 |
49±2 |
≤0.5 |
2±0.5 |
Bal. |
|
FeSi3 |
≤0.03 |
≤1 |
≤1 |
17±1 |
- |
- |
- |
Bal. |
Physical properties:
|
Properties |
Unit |
430L |
FeNi50 |
FeCo50 |
FeCo49V2 |
FeSi3 |
|
Density ρ |
g/cm3 |
>7.60 |
>7.80 |
>8.00 |
>7.80 |
>7.60 |
|
Hardness |
Hv |
130 |
105 |
210 |
200 |
210 |
|
Tensile strength Rm |
MPa |
350 |
450 |
300 |
380 |
460 |
|
Yield strength Rp0.2 |
MPa |
200 |
150 |
200 |
220 |
290 |
|
Elongation A10 |
% |
20 |
32 |
2 |
3.5 |
28 |
|
Coercive force Hc |
A/m |
180.0 |
12.0 |
80.0 |
125.0 |
35.0 |
|
Residual induction Br |
T |
0.50 |
0.99 |
1.09 |
1.25 |
1.20 |
|
Maximum Polarization Bs |
T |
1.31 |
1.40 |
2.27 |
1.99 |
1.60 |
|
Permeability μmax |
|
1200 |
34000 |
6400 |
4800 |
45000 |
Metallography
Comparison of soft magnetic material properties
|
Models |
μmax |
Bs |
Machinability |
Cost |
Corrosion resistance |
|
430L |
Low |
Medium |
Good |
Low |
Medium |
|
FeNi50 |
High |
Medium |
Good |
Medium |
Medium |
|
FeCo50 |
Medium |
High |
Bad |
High |
Bad |
|
FeCo49V2 |
Medium |
High |
Medium |
High |
Bad |
|
FeSi3 |
High |
Medium |
Good |
Low |
Bad |
Hysteresis loop
