Magnetic Characteristics And Physical Properties of Sintered NdFeB

Properties

Remanence

Coercive Force

Intrinsic Coercive Force

Max Energy Product

Max Working Temp

Br

Hcb

Hcj

(BH)max

Tw

Grade

mT(KGs)

KA/m (KGs)

KA/m (KOe)

KJ/m 3 ( MGOe )

℃

N-30

1080-1130

≥ 796

≥ 955

223-247

≤ 80

(10.8-11.3)

( ≥ 10)

( ≥ 12)

(28-31)

N-33

1130-1180

≥ 836

≥ 955

247-270

≤ 80

(11.3-11.8)

( ≥ 10.5)

( ≥ 12)

(31-34)

N-35

1170-1220

≥ 868

≥ 955

263-287

≤ 80

(11.7-12.2)

( ≥ 10.9)

( ≥ 12)

(33-36)

N-38

1220-1250

≥ 899

≥ 955

287-310

≤ 80

(12.2-12.5)

( ≥ 11.3)

( ≥ 12)

(36-39)

N-40

1250-1280

≥ 923

≥ 955

302-326

≤ 80

(12.5-12.8)

( ≥ 11.6)

( ≥ 12)

(38-41)

N-42

1280-1320

≥ 923

≥ 955

318-342

≤ 80

(12.8-13.2)

( ≥ 11.6)

( ≥ 12)

(40-43)

N-45

1320-1380

≥ 876

≥ 955

342-366

≤ 80

(13.2-13.8)

( ≥ 11.0)

( ≥ 12)

(43-46)

N-48

1380-1420

≥ 836

≥ 876

366-390

≤ 80

(13.8-14.2)

( ≥ 10.5)

( ≥ 11)

(46-49)

N-50

1400-1450

≥ 860

≥ 876

382-406

≤ 80

(14.0-14.5)

( ≥ 10.8)

( ≥ 11)

(48-51)

30M

1080-1130

≥ 796

≥ 1114

223-247

≤ 100

(10.8-11.3)

( ≥ 10)

( ≥ 14)

(28-31)

33M

1130-1180

≥ 836

≥ 1114

247-270

≤ 100

(11.3-11.8)

( ≥ 10.5)

( ≥ 14)

(31-34)

35M

1170-1220

≥ 868

≥ 1114

263-287

≤ 100

(11.7-12.2)

( ≥ 10.9)

( ≥ 14)

(33-36)

38M

1220-1250

≥ 899

≥ 1114

287-310

≤ 100

(12.2-12.5)

( ≥ 11.3)

( ≥ 14)

(36-39)

40M

1250-1280

≥ 923

≥ 1114

302-326

≤ 100

(12.5-12.8)

( ≥ 11.6)

( ≥ 14)

(38-41)

42M

1280-1320

≥ 955

≥ 1114

318-342

≤ 100

12.8-13.2

( ≥ 12.0)

( ≥ 14)

(40-43)

45M

1320-1380

≥ 995

≥ 1114

342-366

≤ 100

(13.2-13.8)

( ≥ 12.5)

( ≥ 14)

(43-46)

48M

1360-1430

≥ 1027

≥ 1114

366-390

≤ 100

(13.6-14.3)

( ≥ 12.9)

( ≥ 14)

(46-49)

50M

1400-1450

≥ 1033

≥ 1114

382-406

≤ 100

(14.0-14.5)

( ≥ 13.0)

( ≥ 14)

(48-51)

30H

1080-1130

≥ 796

≥ 1353

223-247

≤ 120

(10.8-11.3)

( ≥ 10)

( ≥ 17)

(28-31)

33H

1130-1180

≥ 836

≥ 1353

247-271

≤ 120

(11.3-11.8)

( ≥ 10.5)

( ≥ 17)

(31-34)

35H

1170-1220

≥ 868

≥ 1353

263-287

≤ 120

(11.7-12.2)

( ≥ 10.9)

( ≥ 17)

(33-36)

38H

1220-1250

≥ 899

≥ 1353

287-310

≤ 120

(12.2-12.5)

( ≥ 11.3)

( ≥ 17)

(36-39)

40H

1250-1280

≥ 923

≥ 1353

302-326

≤ 120

(12.5-12.8)

( ≥ 11.6)

( ≥ 17)

(38-41)

42H

1280-1320

≥ 955

≥ 1353

318-342

≤ 120

(12.8-13.2)

( ≥ 12.0)

( ≥ 17)

(40-43)

45H

1320-1380

≥ 963

≥ 1353

342-366

≤ 120

(13.2-13.8)

( ≥ 12.1)

( ≥ 17)

(43-46)

48H

1370-1430

≥ 995

≥ 1274

366-390

≤ 120

(13.7-14.3)

( ≥ 12.5)

( ≥ 16)

(46-49)

30SH

1080-1130

≥ 804

≥ 1592

223-247

≤ 150

(10.8-11.3)

( ≥ 10.1)

( ≥ 20)

(28-31)

33SH

1130-1170

≥ 844

≥ 1592

247-271

≤ 150

(11.3-11.7)

≥ 10.6

( ≥ 20)

(31-34)

35SH

1170-1220

≥ 876

≥ 1592

263-287

≤ 150

(11.7-12.2)

( ≥ 11.0)

( ≥ 20)

(33-36)

38SH

1220-1250

≥ 907

≥ 1592

287-310

≤ 150

(12.2-12.5)

( ≥ 11.4)

( ≥ 20)

(36-39)

40SH

1250-1280

≥ 939

≥ 1592

302-326

≤ 150

(12.5-12.8)

( ≥ 11.8)

( ≥ 20)

(38-41)

42SH

1280-1320

≥ 995

≥ 1592

318-342

≤ 150

(12.8-13.2)

( ≥ 12.5)

( ≥ 20)

(40-43)

45SH

1320-1380

≥ 1003

≥ 1592

342-366

≤ 150

(13.2-13.8)

( ≥ 12.6)

( ≥ 20)

(43-46)

28UH

1020-1080

≥ 764

≥ 1990

207-231

≤ 180

(10.2-10.8)

( ≥ 9.6)

( ≥ 25)

(26-29)

30UH

1080-1130

≥ 812

≥ 1990

223-247

≤ 180

(10.8-11.3)

( ≥ 10.2)

( ≥ 25)

(28-31)

33UH

1130-1170

≥ 852

≥ 1990

247-271

≤ 180

(11.3-11.7)

( ≥ 10.7)

( ≥ 25)

(31-34)

35UH

1180-1220

≥ 860

≥ 1990

263-287

≤ 180

(11.8-12.2)

( ≥ 10.8)

( ≥ 25)

(33-36)

38UH

1220-1250

≥ 907

≥ 1990

287-310

≤ 180

(12.2-12.5)

( ≥ 11.4)

( ≥ 25)

(36-39)

30EH

1080-1130

≥ 812

≥ 2388

223-247

≤ 200

(10.8-11.3)

( ≥ 10.2)

( ≥ 30)

(28-31)

33EH

1130-1170

≥ 812

≥ 2388

247-271

≤ 200

(11.3-11.7)

( ≥ 10.2)

( ≥ 30)

(31-34)

35EH

1170-1220

≥ 876

≥ 2388

263-287

≤ 200

(11.7-12.2)

( ≥ 11.0)

( ≥ 30)

(33-36)

30AH

1080-1130

≥ 812

≥ 2785

223-247

≤ 240

(10.8-11.3)

( ≥ 10.2)

( ≥ 35)

(28-31)

33AH

1130-1170

≥ 812

≥ 2785

247-271

≤ 240

(11.3-11.7)

( ≥ 10.2)

( ≥ 35)

31-34

NOTES:

The above-mentioned data of magnetic parameters and physical properties ars given at room temperature.

The maximum service temperature of magnet is changeable due to the ratio length and diameter and

Environmental factors.

Density: 7.4~7.6g/cm 3 ; α Br:-0.09~0.13%/ ℃, β Hcj: -0.50~0.80%/ ℃; Hv:600.