Magnetic Properties of Sintered NdFeB Magnets

Grade

Br

Hcb

Hcj

BHmax

Tw Max

KGs

mT

KOe

KA/m

KOe

KA/m

KJ/m3

MGOe

℃

N35

11.7-12.2

1170-1220

≥10.9

≥868

≥12

≥955

263-287

33-36

80℃

N38

12.2-12.5

1220-1250

≥11.3

≥899

≥12

≥955

287-310

36-39

80℃

N40

12.5-12.8

1250-1280

≥11.4

≥907

≥12

≥955

302-326

38-41

80℃

N42

12.8-13.2

1280-1320

≥11.5

≥915

≥12

≥955

318-342

40-43

80℃

N45

13.2-13.8

1320-1380

≥11.6

≥923

≥12

≥ 955

342-366

43-46

80℃

N48

13.8-14.2

1380-1420

≥11.6

≥923

≥12

≥876

366-390

46-49

80℃

N50

14.0-14.5

1400-1450

≥10.0

≥796

≥11

≥876

382-406

48-51

80℃

N52

14.3-14.8

1430-1480

≥10.0

≥796

≥11

≥876

398-422

50-53

80℃

30M

10.8-11.3

1080-1130

≥10.0

≥796

≥14

≥1114

223-247

28-31

100℃

33M

11.3-11.7

1130-1170

≥10.5

≥836

≥14

≥1114

247-263

31-33

100℃

35M

11.7-12.2

1170-1220

≥10.9

≥868

≥14

≥1114

263-287

33-36

100℃

38M

12.2-12.5

1220-1250

≥11.3

≥899

≥14

≥1114

287-310

36-39

100℃

40M

12.5-12.8

1250-1280

≥11.6

≥923

≥14

≥1114

302-326

38-41

100℃

42M

12.8-13.2

1280-1320

≥12.0

≥955

≥14

≥1114

318-342

40-43

100℃

45M

13.2-13.8

1320-1380

≥12.5

≥995

≥14

≥1114

342-366

43-46

100℃

48M

13.6-14.3

1360-1430

≥12.9

≥1027

≥14

≥1114

366-390

46-49

100℃

50M

14.0-14.5

1400-1450

≥13.0

≥1033

≥14

≥1114

382-406

48-51

100℃

30H

10.8-11.3

1080-1130

≥10.0

≥796

≥17

≥1353

223-247

28-31

120℃

33H

11.3-11.7

1130-1170

≥10.5

≥836,,

≥17

≥1353

247-271

31-34

120℃

35H

11.7-12.2

1170-1220

≥10.9

≥868

≥17

≥1353

263-287

33-36

120℃

38H

12.2-12.5

1220-1250

≥11.3

≥899

≥17

≥1353

287-310

36-39

120℃

40H

12.5-12.8

1250-1280

≥11.6

≥923

≥17

≥1353

302-326

38-41

120℃

42H

12.8-13.2

1280-1320

≥12.0

≥955

≥17

≥1353

318-342

40-43

120℃

45H

13-13.6

1300-1360

≥12.1

≥963

≥17

≥1353

326-358

43-46

120℃

48H

13.7-14.3

1370-1430

≥12.5

≥995

≥17

≥1353

366-390

46-49

120℃

30SH

10.8-11.3

1080-1130

≥10.1

≥804

≥20

≥1592

223-247

28-31

150℃

33SH

11.3-11.7

1130-1170

≥10.6

≥844

≥20

≥1592

247-271

31-34

150℃

35SH

11.7-12.2

1170-1220

≥11.0

≥876

≥20

≥1592

263-287

33-36

150℃

38SH

12.2-12.5

1220-1250

≥11.4

≥907

≥20

≥1592

287-310

36-39

150℃

40SH

12.5-12.8

1240-1280

≥11.8

≥939

≥20

≥1592

302-326

38-41

150℃

42SH

12.8-13.2

1280-1320

≥12.4

≥987

≥20

≥1592

318-342

40-43

150℃

45SH

13.2-13.8

1320-1380

≥12.6

≥1003

≥20

≥1592

342-366

43-46

150℃

28UH

10.2-10.8

1020-1080,

≥9.6

≥764

≥25

≥1990

207-231

26-29

180℃

30UH

10.8-11.3

1080-1130

≥10.2

≥812

≥25

≥1990

223-247

28-31

180℃

33UH

11.3-11.7

1130-1170

≥10.7

≥852

≥25

≥1990

247-271

31-34

180℃

35UH

11.8-12.2

1180-1220

≥10.8

≥860

≥25

≥1990

263-287

33-36

180℃

38UH

12.2-12.5

1220-1250

≥11.0

≥876

≥25

≥1990

287-310

36-39

180℃

40UH

12.5-12.8

1240-1280

≥11.3

≥899

≥25

≥1990

302-326

38-41

180℃

28EH

10.4-10.9

1040-1090

≥9.8

≥780

≥30

≥2388

207-231

26-29

200℃

30EH

10.8-11.3

1080-1130

≥10.2

≥812

≥30

≥2388

223-247

28-31

200℃

33EH

11.3-11.7

1130-1170

≥10.5

≥836

≥30

≥2388

247-271

31-34

200℃

35EH

11.7-12.2

1170-1220

≥11.0

≥876

≥30

≥2388

263-287

33-36

200℃

38EH

12.2-12.5

1220-1250

≥11.3

≥899

≥30

≥2388

287-310

36-39

200℃

28AH

10.4-11.0

1040-1100

≥9.7

≥772

≥35

≥2786

207-231

26-29

220℃

30AH

10.8-11.7

1080-1170

≥10.2

≥812

≥35

≥2786

223-255

28-32

220℃

33AH

11.4-12.2

1140-1220

≥10.7

≥851

≥35

≥2786

247-279

31-35

220℃

35AH

11.7-12.5

1170-1250

≥11.0

≥876

≥35

≥2786

263-295

33-37

220℃