Grades Sheet & Magnetic Properties of NdFeB Magnets, Neodymium Magnets

Grade

Remanence

Coercive Force

Intrinsic Coercive Force

Max. energy product

Max.

Operating

Temperature

Br

Hcb

Hcj

(BH )

Tw

max  

mT

kA/m

kA/m

kJ/m3

(kGs)

(kOe)

(kOe)

(MGOe)

N35

1170-1220

>= 868

>=955

263-287

80°C

(11.7-12.2)

( >= 10.9)

( >= 12)

(33-36)

N38

1220-1250

>=899

>=955

287-310

80°C

(12.2-12.5)

( >= 11.3)

( >= 12)

(36-39)

N40

1250-1280

>= 907

>=955

302-326

80°C

(12.5-12.8)

( >= 11.4)

( >= 12)

(38-41)

N42

1280-1320

>= 915

>=955

318-342

80°C

(12.8-13.2)

( >= 11.5)

( >= 12)

(40-43)

N45

1320-1380

>= 923

>=955

342-366

80°C

(13.2-13.8)

( >= 11.6)

( >= 12)

(43-46)

N48

1380-1420

>= 923

>=955

366-390

80°C

(13.8-14.2)

( >=11.6)

( >= 12)

(46-49)

N50

1400-1450

>= 796

>=955

382-406

80°C

(14.0-14.5)

( >= 10.0)

( >= 12)

(48-51)

N52

1430-1480

>= 796

>=955

398-422

80°C

(14.3-14.8)

( >= 10.0)

( >= 12)

(50-53)

33M

1130-1170

>= 836

>= 1114

247-263

100°C

(11.3-11.7)  

(>= 10.5)

( >= 14)

(31-33)

35M

1170-1220

>= 868

>= 1114

263-287

100°C

(11.7-12.2)

( >= 10.9)

( >= 14)  

(33-36)

38M

1220-1250

>= 899

>= 1114

287-310

100°C

(12.2-12.5)

( >= 11.3)

( >= 14)

(36-39)

40M

1250-1280

>= 923

>= 1114

302-326

100°C

(12.5-12.8)

( >= 11.6)

( >= 14)

(38-41)

42M

1280-1320

>= 955  

>= 1114  

318-342  

100°C

(12.8-13.2)

( >= 12.0)

( >= 14)

(40-43)

45M

1320-1380

>= 995

>= 1114

342-366

100°C

(13.2-13.8)

( >= 12.5)

( >= 14)

(43-46)

48M

1360-1430

>= 1027

>= 1114

366-390

100°C

(13.6-14.3)

( >= 12.9)

( >= 14)

(46-49)

50M

1400-1450

>= 1033

>= 1114

382-406

100°C

(14.0-14.5)

( >= 13.0)

( >= 14)

(48-51)

35H

1170-1220

>= 868

>= 1353

263-287

120°C

(11.7-12.2)

( >= 10.9)

( >= 17)

(33-36)

38H

1220-1250

>= 899

>= 1353

287-310

120°C

(12.2-12.5)

( >= 11.3)

( >= 17)

(36-39)

40H

1250-1280

>= 923

>= 1353

302-326

120°C

(12.5-12.8)

( >= 11.6)

( >= 17)

(38-41)

42H

1280-1320

>= 955

>= 1353

318-342

120°C

(12.8-13.2)

( >= 12.0)

( >= 17)

(40-43)

45H

1320-1360

>= 963

>= 1353

326-358

120°C

(13.2-13.6)

( >= 12.1)

( >= 17)

(43-46)

48H

1370-1430

>= 995

>= 1353

366-390

120°C

(13.7-14.3)

( >= 12.5)

( >= 17)

(46-49)

35SH

1170-1220

>= 876

>= 1592

263-287

150°C

(11.7-12.2)

( >= 11.0)

( >= 20)

(33-36)

38SH

1220-1250

>= 907

>= 1592

287-310

150°C

(12.2-12.5)

( >= 11.4)

( >= 20)

(36-39)

40SH

1240-1280

>= 939

>= 1592

302-326

150°C

(12.5-12.8)

( >= 11.8)

( >= 20)

(38-41)

42SH

1280-1320

>= 987

>= 1592

318-342

150°C

(12.8-13.2)

( >= 12.4)

( >= 20)

(40-43)

45SH

1320-1380

>= 1003

>= 1592

342-366

150°C

(13.2-13.8)

( >= 12.6)

( >= 20)

(43-46)

28UH

1020-1080

>= 764

>= 1990

207-231

180°C

(10.2-10.8)

( >= 9.6)

( >= 25)

(26-29)

30UH

1080-1130

>= 812

>= 1990

223-247

180°C

(10.8-11.3)

( >= 10.2)

( >= 25)

(28-31)

33UH

1130-1170

>= 852

>= 1990

247-271

180°C

(11.3-11.7)

( >= 10.7)

( >= 25)

(31-34)

35UH

1180-1220

>= 860

>= 1990

263-287

180°C

(11.8-12.2)

( >= 10.8)

( >= 25)

(33-36)

38UH

1220-1250

>= 876

>= 1990

287-310

180°C

(12.2-12.5)

( >= 11.0)

( >= 25)

(36-39)

40UH

1240-1280

>= 899

>= 1990

302-326

180°C

(12.5-12.8)

( >=11.3)

( >= 25)

(38-41)

28EH

1040-1090

>= 780

>= 2388

207-231

200°C

(10.4-10.9)

( >= 9.8)

( >= 30)

(26-29)

30EH

1080-1130

>= 812

>= 2388

223-247

200°C

(10.8-11.3)

( >= 10.2)

( >= 30)

(28-31)

33EH

1130-1170

>= 876

>= 2388

247-271

200°C

(11.3-11.7)

( >= 10.5)

( >= 30)

(31-34)

35EH

1170-1220

>= 876

>= 2388

263-287

200°C

(11.7-12.2)

( >= 11.0)

( >= 30)

(33-36)

38EH

1220-1250

>= 899

>= 2388

287-310

200°C

(12.2-12.5)

( >= 11.3)

( >= 30)

(36-39)

28AH

1040-1090

>=787

>= 2624

207-231

230°C

(10.4-10.9)

( >= 9.9)

( >= 33)

(26-29)

30AH

(26-29)

>=819

>= 2624

223-247

230°C

(10.8-11.3)

( >= 10.3)

( >= 33)

(28-31)

33AH

1130-1170

>= 843

>= 2624

247-271

230°C

(11.3-11.7)

(>= 10.6)

( >= 33)

(31-34)

 Note:
· The above-mentioned data of magnetic parameters and physical properties are given at room temperature.

· The maximum working temperature of magnet is changeable due to ratio of length and diameter and environment factors.

Technical Datas