Advanced Metal Powders
Featuring high sphericity, low oxygen content, and uniform composition, achieve core applications in multiple high-end industrial fields.
Soft Magnetic Powders
Gas atomized soft magnetic alloy powders feature high purity, fine spherical particle size and uniform composition, making it particularly suitable for high-end industrial application field like magnetic powder cores that have stringent requirements on powder insulation, they are widely used in PFC choke coils, reactors, APF inductors, and other components.
Typical Properties
- Uniform chemical composition
- Low oxygen content
- Good Temperature Stability
- High tap density with low forming pressure
Principal Powder Grades
|
Alloy Powder |
Chemical Composition (wt%) |
||||||||
|
Si |
Al |
Cr |
Ni |
C |
O |
P |
S |
Fe |
|
|
FeSi |
3-6.5 |
- |
- |
- |
≤0.03 |
≤0.05 |
≤0.02 |
≤0.01 |
Bal |
|
FeSiAl |
8.5-9.9 |
5.0-6.0 |
- |
- |
≤0.03 |
≤0.05 |
≤0.02 |
≤0.01 |
Bal |
|
Flat-FeSiAl* |
9.4-10.0 |
5.5-6.1 |
- |
- |
≤0.03 |
≤0.05 |
≤0.02 |
≤0.01 |
Bal |
|
FeSiCr |
4.5-6.5 |
- |
4.5-5.5 |
- |
≤0.03 |
≤0.05 |
≤0.02 |
≤0.01 |
Bal |
|
FeNi |
- |
- |
- |
47-52 |
≤0.03 |
≤0.05 |
≤0.02 |
≤0.01 |
Bal |
|
Alloy Powder |
Chemical Composition (wt%) |
||||||||
|
Si |
Mo |
Cr |
Ni |
C |
O |
P |
S |
Fe |
|
|
FeNiMo |
- |
1.8 – 4.0 |
- |
79 -81 |
≤0.05 |
≤0.05 |
≤0.01 |
≤0.015 |
Bal |
*Note:
Flat-FeSiAl series are flat soft magnetic alloy powders, also named as soft magnetic alloy electromagnetic (EM) wave absorbing powders.
Frequently used specifications of particle sizes
D50: 14µm/ 20µm/ 22µm/ 25µm/ 30 µm
Soft magnetic powder matrix
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