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Ferrite Magnet


Picture1
Any size is available on request
SJ/T10410-2000 permanent ferrite magnet standard

Grade of materia Br Hcb Hcj (BH)max
mT KGs KA/m KOe KA/m KOe KJ/m3 MGOe
Y25 360-400 3.6-4.0 135-170 1.70-2.14 140-200 1.76-2.51 22.5-28.0 2.8-3.5
Y25H 350-380 3.5-3.8 215-255 2.70-3.21 230-290 2.89-3.65 24.0-26.5 3.0-3.3
Y26H 360-390 3.6-3.9 220-250 2.77-3.14 225-255 2.83-3.21 23.0-28.0 2.9-3.5
ZM2.6H 370-400 2.7-4.0 205-50 2.58-3.14 210-255 2.64-3.21 25.0-29.0 3.1-3.7
Y28 370-400 3.7-4.0 175-210 2.20-2.64 180-220 2.26-2.77 26.0-30.0 3.3-3.8
Y30BH 380-420 3.8-4.0 224-240 2.80-3.00 232-256 2.24-2.40 27.1-30.3 3.4-3.8
ZM30 380-400 3.8-4.0 230-275 2.89-3.46 235-290 2.95-3.65 27.0-32.5 3.4-4.1
Y30H-2 395-415 3.95-4.15 275-300 3.46-3.77 310-355 3.90-4.21 28.5-32.0 3.5-4.0
Y32 400-420 4.0-4.2 160-190 2.01-2.38 165-195 2.01-2.45 30.0-33.5 3.8-4.2
Y33 410-430 4.1-4.3 220-250 2.77-3.14 225-255 2.83-3.21 31.5-35.0 4.0-4.4
Y35 430-450 4.3-4.5 215-239 2.70-3.01 217-241 2.71-3.02 33.1-33.2 4.2-4.3

Physical character and reference technical chracteristics of products

Grade of materia Br Hcb Hcj (BH)max
mT KGs KA/m KOe KA/m KOe KJ/m3 MGOe
ZM2.6H 370-400 3.7-4.0 205-240 2.38-3.02 210-255 2.77-3.21 25.0-29.0 3.1-3.7
ZM30 380-410 3.8-4.1 220-270 2.80-3.39 230-290 3.15-3.65 27.0-32.5 3.4-4.1

Parameters Mark Unit Value Note
Recoil permeability rce 1.05-1.3  
Curie temperature Tc 460  
The coefficient of demagnetization to temperature Br -1 -0.2%

0-100

The coefficient of demagnetization to temperature HCJ -1 0.2%-0.5% 0-100
Density D g/cm3 4.5-5.1  
Resistivity cm 104  
The coefficient of linear expansion R -1 7-15X10-6  
Hardness HV 480-580  

Notes:
1.Y- Permanent ferrite magnet.
2.H- High velues of coercivity (Hcb) and intrinsic coercivity (Hcj)
3.Br- Residusl induction
Unit: Tesla or Gauss .T or Gs ImT=0.01KGs
4.Hcb- Coercive force
Unit: Ampere/meter or Oer sted. A/m or Oe.lkA/m-4Oe
5.Hcj- Intrinsic coercive force
6.(BH)max- maximum energy product.
Unit: Joule/meter or Gauss=Oersted. J/m3 or Goe.



 
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