Ferrite Magnets
1) Production Description
Wet press segment magnet is our main product with 4000 tons capacity. The magnets are mostly used in automotive(such as Wiper, Window Lift, Blower, ABS, Seat and Fuel Pump motors), Motorcycle, Electric-tool, Fitness Equipment and Home appliance etc.
Produce by powder metallurgical method |
Chemical composition of SrO·6Fe2O3 |
Relatively brittle & hard |
Good resistance to demagnetization |
Excellent corrosion resistance |
Good temperature stability |
Raw material is readily available & low in cost |
2) Physical Characteristic
Curie Temperature |
℃ |
450 |
Maximum Operating Temperature |
℃ |
250 |
Hardness |
Hv |
480-580 |
Density |
g/cm3 |
4.8-4.9 |
RelativeRecoilPermeability |
u rec |
1.05-1.20 |
Temperature Coefficient of Br |
%/℃ |
-0.2 |
Temperature Coefficient of iHc |
%/℃ |
0.3 |
Tensile Strength |
N/mm2 |
<100 |
Transverse Rupture Strength |
N/mm2 |
300 |
Resistivity |
Ω.cm |
>104 |
Specific Heat |
cal/g.℃ |
0.15-0.2 |
Deflective Strength T |
kgf/mm2 |
5-10 |
3) Magnetic properties
|
|
No
Spec
No
Spec
AP-1
Ø32*Ø18*(5-8)
AP-19
Ø119*Ø60(56)*(14-20)
AP-2
Ø35*Ø18*(6-8)
AP-20
Ø116*Ø60(56,8)*(15-20)
AP-3
Ø39*Ø22.5*(7-10)
AP-21
Ø120*Ø60(45)*(12.5-20)
AP-4
Ø40*Ø19(22)*(6-10)
AP-22
Ø126*Ø60(65)*(12.5-20)
AP-5
Ø45*Ø19(22)*(6-12)
AP-23
Ø128.3*Ø58.8*(15-20)
AP-6
Ø50*Ø22(24)*(6-12)
AP-24
Ø133.3*Ø59*(15-20)
AP-7
Ø55*Ø24(26)*(6-12)
AP-25
Ø135*Ø60*(15-20)
AP-8
Ø60*Ø32(24,30)*(8-16)
AP-26
Ø140*Ø75(62,65)*(12.5-20)
AP-9
Ø65*Ø32*(6-16)
AP-27
Ø145*Ø75(70)*(20-24)
AP-10
Ø70*Ø32(45)*(8-18)
AP-28
Ø156*Ø80(60)*(20-25)
AP-11
Ø71.1*Ø32.5*15
AP-29
Ø165*Ø86.4*(15-25)
AP-12
Ø72*Ø32*(8-18)
AP-30
Ø169*Ø85*(20-25)
AP-13
Ø75*Ø32(40)*(10-15))
AP-31
Ø180*Ø95(80,85)*(20-25)
AP-14
Ø80*Ø32(40,60)*(10-18)
AP-32
Ø190*Ø89(90)*(20-25)
AP-15
Ø85*Ø45(32,44)*(8-20)
AP-33
Ø200*Ø86*(20-25)
AP-16
Ø90*Ø45(32,35,50)*(10-18)
AP-34
Ø211*Ø110(89)*(20-25)
AP-17
Ø100*Ø45(50,60)*(12-20)
AP-35
Ø220*Ø110*(20-25)
YH-18
Ø110*Ø60(62)*(15-20)
Others
According customers' needs