Sintered NdFeB Magnetic Properties

Grade

Intrinsic Coercive Force

Maximum Working Temp

Br

Hcb

Hcj

（BH）max

Tw

mT

KGs

kA/m

(kOe)

kA/m

(kOe)

kJ/m3

(MGOe)

N35

1170-1220

(11.7-12.2)

≥868

(≥10.9)

≥955

(≥12)

263-287

(33-36)

80℃

N38

1220-1250

(12.2-12.5)

≥899

(≥11.3)

≥955

(≥12)

287-310

(36-39)

80℃

N40

1250-1280

(12.5-12.8)

≥907

(≥11.4)

≥955

(≥12)

302-326

(38-41)

80℃

N42

1280-1320

(12.8-13.2)

≥915

(≥11.5)

≥955

(≥12)

318-342

(40-43)

80℃

N45

1320-1380

(13.2-13.8)

≥923

(≥11.6)

≥955

(≥12)

342-366

(43-46)

80℃

N48

1380-1420

(13.8-14.2)

≥923

(≥11.6)

≥955

(≥12)

366-390

(46-49)

80℃

N50

1400-1450

(14.0-14.5)

≥796

(≥10.0)

≥876

(≥11)

382-406

(48-51)

80℃

N52

1430-1480

(14.3-14.8)

≥796

(≥10.0)

≥876

(≥11)

398-422

(50-53)

80℃

N33M

1130-1170

(11.3-11.7)

≥836

(≥10.5)

≥1114

(≥14)

247-263

(31-33)

100℃

N35M

1170-1220

(11.7-12.2)

≥868

(≥10.9)

≥1114

(≥14)

263-287

(33-36)

100℃

N38M

1220-1250

(12.2-12.5)

≥899

(≥11.3)

≥1114

(≥14)

287-310

(36-39)

100℃

N40M

1250-1280

(12.5-12.8)

≥923

(≥11.6)

≥1114

(≥14)

302-326

(38-41)

100℃

N42M

1280-1320

(12.8-13.2)

≥955

(≥12.0)

≥1114

(≥14)

318-342

(40-43)

100℃

N45M

1320-1380

(13.2-13.8)

≥995

(≥12.5)

≥1114

(≥14)

342-366

(43-46)

100℃

N48M

1360-1430

(13.6-14.3)

≥1027

(≥12.9)

≥1114

(≥14)

366-390

(46-49)

100℃

N50M

1400-1450

(14.0-14.5)

≥1033

(≥13.0)

≥1114

(≥14)

382-406

(48-51)

100℃

N35H

1170-1220

(11.7-12.2)

≥868

(≥10.9)

≥1353

(≥17)

263-287

(33-36)

120℃

N38H

1220-1250

(12.2-12.5)

≥899

(≥11.3)

≥1353

(≥17)

287-310

(36-39)

120℃

N40H

1250-1280

(12.5-12.8)

≥923

(≥11.6)

≥1353

(≥17)

302-326

(38-41)

120℃

N42H

1280-1320

(12.8-13.2)

≥955

(≥12.0)

≥1353

(≥17)

318-342

(40-43)

120℃

N45H

1320-1360

(13.2-13.6)

≥963

(≥12.1)

≥1353

(≥17)

326-358

(43-46)

120℃

N48H

1370-1430

(13.7-14.3)

≥995

(≥12.5)

≥1353

(≥17)

366-390

(46-49)

120℃

N35SH

1170-1220

(11.7-12.2)

≥876

(≥11.0)

≥1592

(≥20)

263-287

(33-36)

150℃

N38SH

1220-1250

(12.2-12.5)

≥907

(≥11.4)

≥1592

(≥20)

287-310

(36-39)

150℃

N40SH

1240-1280

(12.5-12.8)

≥939

(≥11.8)

≥1592

(≥20)

302-326

(38-41)

150℃

N42SH

1280-1320

(12.8-13.2)

≥987

(≥12.4)

≥1592

(≥20)

318-342

(40-43)

150℃

N45SH

1320-1380

(13.2-13.8)

≥1003

(≥12.6)

≥1592

(≥20)

342-366

(43-46)

150℃

N28UH

1020-1080

(10.2-10.8)

≥764

(≥9.6)

≥1990

(≥25)

207-231

(26-29)

180℃

N30UH

1080-1130

(10.8-11.3)

≥812

(≥10.2)

≥1990

(≥25)

223-247

(28-31)

180℃

N33UH

1130-1170

(11.3-11.7)

≥852

(≥10.7)

≥1990

(≥25)

247-271

(31-34)

180℃

N35UH

1180-1220

(11.8-12.2)

≥860

(≥10.8)

≥1990

(≥25)

263-287

(33-36)

180℃

N38UH

1220-1250

(12.2-12.5)

≥876

(≥11.0)

≥1990

(≥25)

287-310

(36-39)

180℃

N40UH

1240-1280

(12.5-12.8)

≥899

(≥11.3)

≥1990

(≥25)

302-326

(38-41)

180℃

N28EH

1040-1090

(10.4-10.9)

≥780

(≥9.8)

≥2388

(≥30)

207-231

(26-29)

200℃

N30EH

1080-1130

(10.8-11.3)

≥812

(≥10.2)

≥2388

(≥30)

223-247

(28-31)

200℃

N33EH

1130-1170

(11.3-11.7)

≥876

(≥10.5)

≥2388

(≥30)

247-271

(31-34)

200℃

N35EH

1170-1220

(11.7-12.2)

≥876

(≥11.0)

≥2388

(≥30)

263-287

(33-36)

200℃

N38EH

1220-1250

(12.2-12.5)

≥899

(≥11.3)

≥2388

(≥30)

287-310

(36-39)

200℃

N28AH

1040-1090

(10.4-10.9)

≥787

(≥9.9)

≥2785

(≥35)

207-231

(26-29)

230℃

N30AH

(26-29)

(10.8-11.3)

≥819

(≥10.3)

≥2785

(≥35)

223-247

(28-31)

230℃

N33AH

1130-1170

(11.3-11.7)

≥843

(≥10.6)

≥2785

(≥35)

247-271

(31-34)

230℃