NdFeB magnets

Available coating of NdFeB magnets

Surface Coating Thickness
(um)
Color
Nickel Ni + Ni
Ni + Cu + Ni
10 - 20 um Bright silver
Black nickel Ni + Cu + Ni 10 - 20 um Bright black
Cr3 + Zinc ZN
C-Zn
5 - 8 um Bright blue
Shining color
Sn Ni + Cu + Ni + Sn 10 - 25 um Silver
Au Ni + Cu + Ni + Au 10 - 15 um Gold
Ag Ni + Cu + Ni +Ag 10 - 15 um Silver
Epoxy Epoxy
Ni + Cu + Epoxy
Zn + Epoxy
10 - 20 um
15 - 30 um
15 - 25 um
Black, Grey
Passivation - 1 - 3 um Dark grey
Phosphated - 1- 3 um Dark grey

 

Magnetic properties of Sintered NdFeB magnets

Grade

Remanence
(Br)

Coercive Force
(Hcb)

Intrinsic Coercive Force
(Hcj)

Max. energy product
(BH)

Max.
operation temperature
  mT kGs kA/m (kOe) kA/m (kOe) kJ/m3 (MGOe) °C

N35

1170-1220

11.7-12.2

>=868

(>=10.9)

>=955

(>=12)

263-287

(33-36)

80°C

N38

1220-1250

12.2-12.5

>=899

(>=11.3)

>=955

(>=12)

287-310

(36-39)

80°C

N40

1250-1280

12.5-12.8

>=907

(>=11.4)

>=955

(>=12)

302-326

(38-41)

80°C

N42

1280-1320

12.8-13.2

>=915

(>=11.5)

>=955

(>=12)

318-342

(40-43)

80°C

N45

1320-1380

13.2-13.8

>=923

(>=11.6)

>=955

(>=12)

342-366

(43-46)

80°C

N48

1380-1420

13.8-14.2

>=923

(>=1.6)

>=955

(>=12)

366-390

(46-49)

80°C

N50

1400-1450

14.0-14.5

>=796

(>=10.0)

>=955

(>=12)

382-406

(48-51)

80°C

N52

1430-1480

(14.3-14.8)

>=796

(>=10.0)

>=955

(>=12)

398-422

(50-53)

80°C

33M

1130-1170

(11.3-11.7)

>=836

(>=10.5)

>= 1114

(>=14)

247-263

(31-33)

100°C

35M

1170-1220

(11.7-12.2)

>=868

(>=10.9)

>= 1114

(>=14)

263-287

(33-36)

100°C

38M

1220-1250

(12.2-12.5)

>=899

(>=11.3)

>= 1114

(>=14)

287-310

(36-39)

100°C

40M

1250-1280

(12.5-12.8)

>=923

(>=11.6)

>= 1114

(>=14)

302-326

(38-41)

100°C

42M

1280-1320

(12.8-13.2)

>=955

(>=12.0)

>= 1114

(>=14)

318-342

(40-43)

100°C

45M

1320-1380

(13.2-13.8)

>=995

(>=12.5)

>= 1114

(>=14)

342-366

(43-46)

100°C

48M

1360-1430

(13.6-14.3)

>=1027

(>=12.9)

>= 1114

(>=14)

366-390

(46-49)

100°C

50M

1400-1450

(14.0-14.5)

>=1033

(>=13.0)

>= 1114

(>=14)

382-406

(48-51)

100°C

35H

1170-1220

(11.7-12.2)

>=868

(>=10.9)

>= 1353

(>=17)

263-287

(33-36)

120°C

38H

1220-1250

(12.2-12.5)

>=899

(>=11.3)

>= 1353

(>=17)

287-310

(36-39)

120°C

40H

1250-1280

(12.5-12.8)

>=923

(>=11.6)

>= 1353

(>=17)

302-326

(38-41)

120°C

42H

1280-1320

(12.8-13.2)

>=955

(>=12.0)

>= 1353

(>=17)

318-342

(40-43)

120°C

45H

1320-1360

(13.2-13.6)

>=963

(>=12.1)

>= 1353

(>=17)

326-358

(43-46)

120°C

48H

1370-1430

(13.7-14.3)

>=995

(>=12.5)

>= 1353

(>=17)

366-390

(46-49)

120°C

35SH

1170-1220

(11.7-12.2)

>=876

(>=11.0)

>= 1592

(>=20)

263-287

(33-36)

150°C

38SH

1220-1250

(12.2-12.5)

>=907

(>=11.4)

>= 1592

(>=20)

287-310

(36-39)

150°C

40SH

1240-1280

(12.5-12.8)

>=939

(>=11.8)

>= 1592

(>=20)

302-326

(38-41)

150°C

42SH

1280-1320

(12.8-13.2)

>=987

(>=12.4)

>= 1592

(>=20)

318-342

(40-43)

150°C

45SH

1320-1380

(13.2-13.8)

>=1003

(>=12.6)

>= 1592

(>=20)

342-366

(43-46)

150°C

28UH

1020-1080

(10.2-10.8)

>=764

(>=9.6)

>= 1990

(>=25)

207-231

(26-29)

180°C

30UH

1080-1130

(10.8-11.3)

>=812

(>=10.2)

>= 1990

(>=25)

223-247

(28-31)

180°C

33UH

1130-1170

(11.3-11.7)

>=852

(>=10.7)

>= 1990

(>=25)

247-271

(31-34)

180°C

35UH

1180-1220

(11.8-12.2)

>=860

(>=10.8)

>= 1990

(>=25)

263-287

(33-36)

180°C

38UH

1220-1250

(12.2-12.5)

>=876

(>=11.0)

>= 1990

(>=25)

287-310

(36-39)

180°C

40UH

1240-1280

(12.5-12.8)

>=899

(>=11.3)

>= 1990

(>=25)

302-326

(38-41)

180°C

28EH

1040-1090

(10.4-10.9)

>=780

(>=9.8)

>= 2388

(>=30)

207-231

(26-29)

200°C

30EH

1080-1130

(10.8-11.3)

>=812

(>=10.2)

>= 2388

(>=30)

223-247

(28-31)

200°C

33EH

1130-1170

(11.3-11.7)

>=876

(>=10.5)

>= 2388

(>=30)

247-271

(31-34)

200°C

35EH

1170-1220

(11.7-12.2)

>=876

(>=11.0)

>= 2388

(>=30)

263-287

(33-36)

200°C

38EH

1220-1250

(12.2-12.5)

>=899

(>=11.3)

>= 2388

(>=30)

287-310

(36-39)

200°C

28AH

1040-1090

(10.4-10.9)

>=787

(>=9.9)

>= 2624

(>=33)

207-231

(26-29)

230°C

30AH

(26-29)

(10.8-11.3)

>=819

(>=10.3)

>= 2624

(>=33)

223-247

(28-31)

230°C

33AH

1130-1170

(11.3-11.7)

>=843

(>=10.6)

>= 2624

(>=33)

247-271

(31-34)

230°C

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.

 

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