Alnico 5 Rotor Cast Alnico Magnet for Holding And Magnetic Motors

Part No.

Outer Dia.(MM)

Inner Dia(MM)

Thickness(MM)

Poles

Lifting

R001

25.4

6.4

19.01

4

7.3

R002

31.75

6.35

19.05

6

10.8

R003

38.1

10.00

22.10

6

17.7

R004

46.02

8.00

31.75

6

23.1

R005

50.8

12.7

31.75

8

31.5

R006

76.2

20.00

50.8

8

50

Physical Properties of Cast Alnico

Curie Temperature (℃)

760-890

Max. Operating Temperature (℃)

450-550

Resistivity (μohm.cm)

47-54

Hardness (Hv)

520-630

Density (g/cm³)

6.90-7.30

Relative Recoil Permeability (μrec)

1.70-4.70

Saturation Field Strength (kOe,kA/m)

2.7-6.3/215-500

Temperature Coefficient of Br (%/℃)

-0.025 ~ -0.02

Temperature Coefficient of iHc (%/℃)

+0.01 ~ +0.03