Ndfeb-magnets

 

PRODUCT  >  PROPERTIES OF PRODUCTS

Magnetic Properties of Sintered NdFeB Magnets

   序号 /  牌号     NO  /  Grade

     剩磁         Remanence
Br

       矫顽力         Coercive Force
Hcb

内禀矫顽力   Intrinsic Coercive force
Hc
j

     最大磁能积        Max Energy Product
(BH) max

 工作温度  Max. Work temperature

No

Material

KG

T

KOe

KA/m

KOe

KA/m

MGOe

KJ/m

1

N-33

11.4-11.8

1.14-1.18

≥10.5

≥836

≥12

≥955

31-33

247-263

80

2

N-35

11.4-11.8

1.18-1.28

≥10.8

≥836

≥12

≥955

33-36

263-287

80

3

N-38

11.8-12.3

1.18-1.28

≥10.8

≥860

≥12

≥955

36-39

287-310

80

4

N-40

12.7-12.9

1.27-1.29

≥11.0

≥876

≥12

≥955

38-41

303-326

80

5

N-42

12.9-13.3

1.29-1.33

≥10.5

≥836

≥12

≥955

40-43

318-342

80

6

N-45

13.3-13.8

1.33-1.38

≥9.5

≥756

≥12

≥955

43-46

342-366

80

7

N48

13.7-14.2

1.37-1.42

10.5-13

836-1035

≥11

≥875

46-49

366-390

80

8

N50

13.9-14.5

1.39-1.45

10.5-13

836-1035

≥11

≥875

47-51

374-406

80

9

N-30M

10.8-11.4

1.08-1.14

≥9.8

≥780

≥14

≥1114

28-31

223-247

100

10

N-33M

11.4-11.8

1.14-1.18

≥10.3

≥820

≥14

≥1114

31-33

247-263

100

11

N-35M

11.8-12.3

1.18-1.23

≥10.8

≥860

≥14

≥1114

33-36

263-287

100

12

N-38M

12.3-12.7

1.23-1.27

≥11.0

≥876

≥14

≥1114

38-41

303-326

100

13

N-40M

12.7-12.9

1.27-1.29

≥11.4

≥907

≥14

≥1114

38-41

303-326

100

14

N42M

12.8-13.4

1.28-1.34

10.8-11.4

859-907

≥14

≥1114

40-43

319-343

100

15

N45M

13.3-13.8

1.33-1.38

12.4-13.4

987-1066

≥14

≥1114

43-46

343-366

100

16

N48M

13.7-14.2

1.37-1.42

12.8-13.8

1020-1098

≥14

≥1114

46-49

366-390

100

17

N-30H

10.8-11.4

1.08-1.14

≥10.2

≥812

≥17

≥1353

28-31

223-247

120

18

N-33H

11.4-11.8

1.14-1.18

≥10.6

≥844

≥17

≥1353

31-33

247-263

120

19

N-35H

11.8-12.3

1.18-1.28

≥11.0

≥876

≥17

≥1353

33-36

263-287

120

20

N-38H

12.3-12.7

1.23-1.27

≥11.2

≥890

≥17

≥1353

36-39

287-310

120

21

N-40H

12.7-12.9

1.27-1.29

≥11.5

≥915

≥17

≥1353

38-41

303-326

120

22

N-42H

12.8-13.4

1.28-1.34

≥12

≥955

≥17

≥1353

40-43

318-342

120

23

N-45H

13.3-13.8

1.33-1.38

≥12.4

≥986

≥17

≥1353

43-46

342-366

120

24

N-48H

13.6-14.2

1.36-1.42

≥12.8

≥1018

≥16

≥1273

45-49

358-390

120

25

N-30SH

10.8-11.4

1.081.14

≥10.0

≥796

≥21

≥1672

28-31

223-247

150

26

N-33SH

11.4-11.8

1.14-1.18

≥10.5

≥836

≥21

≥1672

31-34

247-276

150

27

N-35SH

11.8-12.3

1.18-1.23

≥11.0

≥876

≥21

≥1672

33-36

263-278

150

28

N-38SH

12.3-12.7

1.23-1.27

≥11.4

≥907

≥21

≥1672

36-39

278-310

150

29

N-42SH

12.8-13.4

1.28-1.34

≥12

≥955

≥20

≥1592

39-42

310-334

150

30

N-28UH

10.5-10.8

1.05-1.08

≥9.5

≥756

≥21

≥1672

26-29

207-231

180

31

N-30UH

10.8-11.4

1.08-1.14

≥9.5

≥756

≥25

≥1990

28-31

223-247

180

32

N-33UH

11.4-12.1

1.14-1.21

≥10.1

≥804

≥25

≥1990

31-34

247-271

180

33

N-35UH

11.7-12.4

1.17-1.24

≥10.5

≥836

≥25

≥1990

33-36

263-287

180

34

N-38UH

12.2-12.9

1.22-1.29

≥11

≥875

≥25

≥1990

36-39

287-310

180

35

N-40UH

12.5-13.3

1.25-1.33

≥11.3

≥899

≥25

≥1990

38-41

302-326

180

36

N-28EH

10.5-10.8

1.05-1.08

≥9.5

≥756

≥25

≥2388

26-29

207-231

200

37

N-30EH

10.8-11.4

1.08-1.14

≥9.5

≥756

≥30

≥2388

28-31

223-241

200

38

N-33EH

11.4-12.1

1.14-1.21

≥10.7

≥852

≥30

2388

31-35

247-379

200

39

N-35EH

11.7-12.4

1.17-1.24

≥10.9

≥868

≥30

≥2388

33-37

263-295

200

40

N-38EH

12.2-12.9

1.22-1.29

≥11.5

≥915

≥30

≥2388

36-40

287-318

200

Physical and Mechanical Properties

Thermal Conductivity

7.7 kcal/m-h-°C

Young’s Modulus

1.7 x 104 kg/mm2

Bending Strength

24 kg/mm2

Compressive Strength

80 kg/mm2

Electrical Resistivity

160 µ-ohm-cm/cm2

Density

7.4-7.5 g/cm3

Vickers Hardness

500 - 600

Magnetic properties of Bonded Ndfeb magnets

P/N

Br
Remanence

Hcj
Intrinsic Coercivity

Hcb
Coercive Force

(BH)max.
Maximum Energy Product

MT

kG

kA/m

kOe

kA/m

kOe

KJ/m3

MGOe

ndfeb- XB6

440-560

4.40-5.60

560-680

7.0-8.5

240-320

3.0-4.0

32-48

4.0-6.0

ndfeb- XB8

540-640

5.40-6.40

640-720

8.0-9.0

320-400

4.0-5.0

48-64

6.0-8.0

ndfeb-XB8M

540-620

5.40-6.20

1040-1360

13.0-17.0

384-464

4.8-5.8

56-72

7.0-9.0

ndfeb-XB10

620-700

6.20-7.00

608-800

7.6-10.0

360-456

4.5-5.7

64-80

8.0-10.0

ndfeb-XB12

690-760

6.90-7.60

640-840

8.0-10.5

400-480

5.0-6.0

80-96

10.0-12.0

Physical Characteristics of bonded NdFeB Magnet

P/N
Recoil Permeability
Hs
Magnetizing Field
Density Temperature Coefficient Tc
Curie Temperature
K[2]
Ring Crushing Strength
Coefficient of Thermal Expansion (25-200¡æ)
kA/m g/cm3 %/ (Hcj)%/ kg/mm2 10-6/
ndfeb-XB6 1.22 1600 5.1-5.6 -0.14 -0.40 360 5.5 4.8
ndfeb-XB8 1.22 1600 5.4-5.8 -0.13 -0.40 360 5.5 4.8
ndfeb-XB8M 1.18 2000 5.8-6.0 -0.12 -0.38 305 5.5 4.8
ndfeb-XB10 1.22 1600 5.8-6.0 -0.11 -0.40 360 5.5 4.8
ndfeb-XB12 1.17 1600 5.9-6.1 -0.11 -0.41 360 5.5 4.8