SIMO

Iron Powder
Grade Chemical Content% Particle size distribution (µm)
Fe C O SiO2 D10 D50 D90

01

 ≤97.5 0.6-0.8 <0.4 2.0 4.0 8.5
01S ≤97 0.6-0.9 ≤0.35-0.65 0.1-0.7 2 3.5 8.5
03 ≤97.5 ≤0.9 ≤0.8 1.75 2.0 3.3
08 ≤97 ≤1.2 ≤1.2 <5.0 <15.0 <45.0
HY1 ≤99.5 ≤0.03 ≤0.3 3.5 5.5 10.0
Hy2 ≤99.5 ≤0.03 ≤0.3 3.0 5.5 15.0
HY3 ≤99.5 ≤0.03 ≤0.4 2.0 4.3 8.0
HYK ≤99 ≤0.1 ≤0.3 4.0 8.0 18.0
HYM ≤99.4 ≤0.1 ≤0.5 1.5 3.0 5.5
HYS ≤99.5 ≤0.04 ≤0.4 0.1-0.7 3.0 5.3 9.5
FeP5 bal ≤0.9 ≤1.0 2.5 6.5 <20.0
FeP10 bal ≤0.9 ≤1.0 2.5 6.5 <20.0
Note:
  • Particle size distribution is measured by Microtrac S3500 analyzer.
  • Ni & Mo could be added to CLP According to customers' requirement.
  • Carbon/Oxygen level could be customized upon request.

  • Other metallic element can be supplemented bu cuestomer's requirement.

» High purity  » Smooth powder surface  » Good mechanical property after sintering
Top

For MIM application
Material Grade Particle size distribution Tap Density
D10 D50 D90

304(L)

316(L)

17-4PH

HK30

 22-1 ≤6 ≤12 ≤22 3.8-4.0
22-2 ≤6 ≤12 ≤22 4.0-4.2
22-3 ≤6 ≤12 ≤22 >4.2
32-1 ≤8 ≤17 ≤32 4.0-4.2
32-2 ≤8 ≤17 ≤32 4.21-4.4
32-3 ≤8 ≤17 ≤32 >4.4
38-1 ≤8 ≤20 ≤38 4.0-4.2
38-2 ≤8 ≤20 ≤38 4.21-4.4
38-3 ≤8 ≤20 ≤38 >4.4
Note: 400 series and other MIM grades are available upon request.
Top

For PM application
Material SPEC
Sieve Analysis(µm)

304(L)

316(L)

 +100(≤150) <3
-100~+140(-150~+109) ≤10
-140~+200(-109~+75) Bal.
-200~+325(-75~+45) 39-47
-325(≤45) ≥40
Apparent Density (g/cm3) 2.5-3.0
C,% ≤0.05
O,% ≤0.45
» High permeability, low core loss » High flowability, good moulding performance » Especially suitable for high frequency & high current application
Top

1. SMD---- SMD Inducto
Material Grade Initial permeability Saturation current decaya Anti- rust

CIP

 T8 28 20%
T8K 24 20% √
T8W 30 30%
FS60 26 25% √
FeSiCr 26 30% √
Note: Non- insulated/ insulated/ ready-to-press powder are available upon request.

2. Choke coil
Material Grade Initial permeability Q factor Application frequency

CIP

 T2 10.0 250 200KHz- 10MHz
T6 8.0 220 2Hz- 50MHz
T8 36.0 180 10KHz- 2MHz
T10 6.0 120 10MHz- 100MHz
The magnetic property depends on the T -core size and test conditions. The data shown is for reference only
Material Composition Production process Oxygen level Particle size
FeSi FeSi3.8 <800ppm -100/-250mesh
FeSi3.8 <3500ppm -250/-325/-400mesh
FeSi6.5 <3500ppm -250/-325/-400mesh
Top