Sintered AlNiCo

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Sintered Alnico magnets, which are also aluminum nickel-cobalt iron alloys, are usually restricted to smaller sizes. It has slightly lower magnetic properties, but better mechanical strength than cast alnico magnet. 

Alnico has a low coercive force, and is easily demagnetized if not handled with care. For optimum performance of Alnico 5, the magnetic length should be approximately 5 times the pole diameter or equivalent diameter. For example, a 0.250” diameter magnet should be about 1.250” long

Application field
Sintered Alnico magnet is widely used in all kinds of sensors, meters, controller speedometer and other applications.

Magnetic Properties 

Grade

Remanence(Br)

Coercivity Force(Hcb)

Intrinsic Coercive Force(Hcj)

Max. Energy Product(BHmax)

maximum Operating Temp.

mT

kGs

kA/m

kOe

kA/m

kOe

kJ/m3

MGOe

FLN8

520

5.2

40.00 

0.5

43

0.54

8-10

1.0-1.25

450

FLNG12

700

7

40.00 

0.5

43

0.54

12-14

1.5-1.75

450

FLNGT14

570

5.7

76.00 

0.95

78

0.98

14-16

1.75-2.0

450

FLNGT18

560

5.6

88.00 

1.1

90

1.13

18-22

2.25-2.75

550

FLNG28

1050

10.5

46.00 

0.58

47

0.59

28-33

3.5-4.15

525

FLNG34

1100

11

50.00 

0.63

51

0.64

34-38

4.3-4.8

525

FLNGT28

1000

10

56.00 

0.7

57

0.71

28-30

3.5-3.8

550

FLNGT31

780

7.8

104.00 

1.3

90

1.13

31-36

3.9-4.5

550

FLNG33J

650

6.5

135.00 

1.7

150

1.88

33-36

4.15-4.5

550

FLNGT38

800

8

123.00 

1.55

126

1.58

38-42

4.75-5.3

550

FLNGT42

880

8.8

120.00 

1.5

122

1.53

42-48

5.3-6.0

550

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