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  Typical Product Specification
  Conversion of Unit

 

Conversion Of units

SI Units

C·G·S Units

1T=1Wb/m2=1Vs/m2

104G = 10KG

1A /m

4πx103Oe=0.01257Oe

1Wb=1Vs=1Tm2

108Mx

1H/m=1Vs/Am

 

1J=1Ws=1Nm

=107erg

1J/M3=1TA/m

4πx10GOe=125.7GOe

1N=1kgm/S2=0.1019

Kilogramme force

105dynes

 

 

Typical Properties Of The Various Magnet Material

Magnet Material

(BH)max
MGOe

Hcj
KOe

Rev Temp Coeff
Br%/℃

Max Working Temp

Corrosion
Resistance

SmCo5

18-25

16-25

-0.045

200-250

Excellent

Sm2Co17

25-32

10-32

-0.03

300-350

Excellent

NdFeB

28-50

10-25

-0.12

80-200

Poor

FERRITE

3.0-4.5

3.0-4.5

-0.19

150-250

Excellent

ALNICO

5.0-10

0.6-1.8

-0.03

450-500

Fair

 

Magnetization Curves of Various Magnets