Typical Magnetic Properties of Cast Alnico Magnets

 

Grade

Equivalent MMPA

Residual Induction     Br:          mT(KGs)

Coercive Force Hcb:        KA/m(KOe)

Max.Energy Product (BH)max:          KJ/m3(MGOe)

Max. Operating Temperature (Tw): °C

Density  g/cm3

LN9

Alnico 3

680(6.8)

37(0.46)

9.0(1.13)

450

6.9-7.2

LN10

Alnico 3

600(6.0)

40(0.50)

10.0(1.20)

450

LNG12

Alnico 2

720(7.2)

45(0.56)

12.0(1.55)

450

LNG13

Alnico 2

700(7.0)

48(0.60)

12.8(1.60)

450

LNG34

Alnico 5

1180(11.8)

48(0.60)

34.0(4.30)

525

7.2-7.3

LNG37

Alnico 5

1200(12)

48(0.60)

37.0(4.65)

525

LNG40

Alnico 5

1250(12.5)

48(0.60)

40.0(5.00)

525

LNG44

Alnico 5

1250(12.5)

52(0.65)

44.0(5.50)

525

LNG52

Alnico 5DG

1300(13.0)

56(0.70)

52.0(6.50)

525

LNG60

Alnico 5-7

1350(13.5)

59(0.74)

60.0(7.50)

525

LNGT28

Alnico 6

1000(10.0)

58(0.72)

28.0(3.50)

525

LNGT18

Alnico 7

580(5.8)

90(1.13)

18.0(2.20)

550

LNGT36J

Alnico 8HC

700(7.0)

140(1.75)

36.0(4.50)

550

LNGT32

Alnico 8

800(8.0)

100(1.25)

32.0(4.00)

550

LNGT38

Alnico 8

800(8.0)

110(1.38)

38.0(4.75)

550

LNGT40

Alnico 8

800(8.0)

110(1.38)

40.0(5.00)

550

LNGT60

Alnico 9

900(9.0)

110(1.38)

60.0(7.50)

550

LNGT72

Alnico 9

1050(10.5)

112(1.40)

72.0(9.00)

550

Remarks:
The above-mentioned data are given at room temperature.
The Max. operating temperature will vary with L/D (Length to Diameter ratio), coating and environmental factors.
If the material you are looking for is not listed, please contact us to discuss your needs.
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