CHART OF MATERIALS

Material Type and Grade

Maximum Energy Product (MGOe)

Coercive Force Hc (Oersteds)

Intrinsic Coercive Force Hci (Oersteds)

Maximum Operating Temperature (degrees)
C F

Curie Temp. (degrees)
C F

Temperature Coefficient of Br (%/C)

Density gm/cm

NdFeB 10

10

6,800

5,780

10,300

120 248

350 662

-0.100

6.01

NdFeB 30

30

11,000

10,600

13,500

180 356

300 572

-0.120

7.47

NdFeB 35

35

12,100

11,000

12,000

150 302

350 663

0.120

7.40

NdFeB 39

38

12,700

11,600

21,000

150 302

365 689

-0.100

7.50

NdFeB 40

40

12,800

11,500

12,500

120 248

355 671

-0.110

7.45

NdFeB 42

41

13,100

12,500

14,000

120 248

365 689

-0.100

7.50

NdFeB 45

45

13,500

11,750

11,000

120 248

365 689

-0.100

7.50

NdFeB 48

48

13,800

11,750

11,000

100 212

365 689

-0.100

7.50

NdFeB 50

50

14,300

12,000

11,000

100 212

365 689

-0.110

7.50

NdFeB 25

52

SmCo 18

18

8,800

8,500

16,000

250 482

750 1,382

-0.045

8.30

SmCo 22

22

9,600

8,500

12,000

300 572

825 1,517

-0.030

8.30

SmCo 26

26

10,600

9,250

11,500

300 572

825 1,517

-0.030

8.30

SmCo 26HS

26

10,700

9,800

18,000

300 572

825 1,517

-0.030

8.30

SmCo 30

30

11,000

9,200

6,600

300 572

825 1,517

-0.030

8.30

SmCo 32

32

11,600

9,500

14,000

300 572

825 1,517

-0.030

8.30

SmCo 33

-0.030

Ceramic 1

1.1

2,300

1,860

3,250

300 572

450 842

-0.160

4.62

Ceramic 5

3.4

3,800

2,400

2,500

300 572

450 842

-0.200

4.87

Ceramic 8

3.5

3,850

2,950

3,050

300 572

450 842

-0.200

4.87

Alnico 5

5.5

12,800

640

640

540 1,004

860 1,580

-0.015

7.31

Alnico 5-7

7.5

13,500

740

740

550 1,022

840 1,544

-0.020

7.31

Alnico 8

5.3

8,200

1,650

1,860

550 1,022

860 1,580

-0.010

7.25

Alnico 9

9

10,600

1,500

1,500

550 1,022

860 1,580

-0.010

7.25