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Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders
Soft Magnetic Powders

Soft Magnetic Powders

Our company is one of the earliest company engaged in the development, research and production of soft magnetic powder in China.By gas atomization and water atomization process,many kinds of products can be provided,such as FeNi,FeNiMo, FeSi and other soft magnetic powders, FeSiCr, amorphous and nanocrystalline powders for molding choke. FeCoNi powder for clutch.

Features

Features are as below:

? ?The powders which used for magnetic powder core have high saturation magnetic flux density, low core loss and high DC bias performance.

? ?we can provide both bare powders and insulating powders for molding choke with high permeability, good insulation resistance, excellent saturation characteristics.

? ?Magnetic powders used in clutch features long service life, high wear resistance, high temperature resistance, good stability and excellent magnetic properties.

Typical Applications

Typical applications are as below:

? ?Metal Powder Core

? ?Molding Choke

? ?Magnetic Clutch

Technical Specifications

1)Powders for Metal Powder Core

Powder Properties
Products Chemical Composition Process Oxygen Content
(PPM)
Apparent Density (g/cm3) Sieve Size
(mesh)
Laser Size
D50(um)
Fe Ni Mo Si
Hi-Flux bal 48~52     Gas atomization <500 >4.8 -120/-200 30-50
Water atomization <200 >3.9 -80/-200/-325 20-45
MPP bal 80~83 1.8~2.5   Gas atomization <300 >5.0 -80+400/-120 40-80
Water atomization <1800 >4.2 -80/-200/-325 20-50
FeSi bal     3~7 Gas atomization <300 >4.4 -120 40-65
Water atomization <1500 33.6 -120 30-55
Metal Powder Core Properties
Products ①??????????? Coer Loss(mW/cm3)
DC Bias
Curie Temprature Saturation
(Bs)
Permeability
(μ)
u VS.T
(-55-125℃)

u VS.F
MHz
Hi-Flux(water) 350 76% 500℃ 1.5T 60-160 1.6 1.2
Hi-Flux(gas) 300 85% 500℃ 1.5T 60-160 1.6 1.2
Mpp(water) 260 57% 400℃ 0.75T 60-300 0.6 2.7
Mpp(gas) 220 65% 400℃ 0.75T 60-300 0.6 2.7
FeSi(water) 800 65% 700℃ 1.6T 26-90 8 6.5
FeSi(gas) 600 75% 700℃ 1.6T 26-90 8 6.5
Testing Conditions:①50kHz,100mT ②100 Oe,60u ③↓90%u

 

2)Powders for Molding Choke

Products? Chemical Composition Oxygen Content
(PPM)
Tap Density
(g/cm3)
Laser Particle Size
Fe Si Cr B? C D10 D50 D90?
FeSiCr-A bal. 3-4 4-5     2400 4.02 3.5 10.1 24.2
FeSiCr-C bal. 4.5-5.5 5-6     2200 3..98 3.6 10.1 24.2
FeSiCr-D bal. 6-7 4.5-5.5     2200 3.95 3.5 9.9 24.2
FeSiCr-E bal. 7.5-8.5 3.5-4.5     2200 4.1 3.5 10.2 25.6
Amorphous-01 bal. 5-6   2.5-3.5   1400 4.34 4.2 10.2 25.1
Amorphous-02 bal. 6-7 2-3 2-3 0.5-1.0 1000 4.58 10.2 24.8 50.2
Nanoerystalline-01 bal.         1400 4.41 3.8 9.9 23.8
All the above grades? can be supplied with bare powder and insulation coating powder?
Molding Choke Properties
Products? Permeability? Voltage Resistance
(kV)
Anti Rust property Saturation
(H20%)/Oe
① Coer Loss(mW/cm3)
FeSiCr-A 38.2 0.7 Good 130 4000
FeSiCr-C 36.2 0.9 Good 125 4200
FeSiCr-D 34.2 1 Best 120 4000
FeSiCr-E 34.2 1 Better 120 3800
Amorphous-01 18.5 1 Good 130 3200
Amorphous-02 17.5 0.9 Better 150 2800
Nanoerystalline-01 19.5 0.9 Better 140 900
Testing Conditions:①50kHz,100mT

 

3)Powders for Magnetic Clutch

Powder Properties
Products ?Chemical Composition Oxygen Content
(PPM)
Apparent Density (g/cm3) Flowability
(s/50g)
Sieve Size(mesh)
Ni Co Si C Fe
CF-1 8.5-9.5 22.5-23.5 0.2-0.5 <0.03 bal. <200 >4.4 <16 -50+80,
-80+150,
-150

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