By Grade

NEODYMIUM IRON BORON MAGNETS – Magnet Grade

Magnet Grade – Known as third generation of Rare Earth magnets, Neodymium Iron Boron (NdFeB) magnets are the most powerful and advanced commercialized permanent magnet today. Since they are made from Neodymium, one of the most plentiful rare earth elements, and inexpensive iron, NdFeB magnets offer the best value in cost and performance.

Sintered NdFeB Magnets By Grade

Sintered NdFeB Magnets By Grade

NdFeB magnets are available in both sintered and bonded forms. Sintered NdFeB offers the highest magnetic properties (28 MGOe to 50 MGOe) while Bonded NdFeB offers lower energy properties. Although bonded magnets do not possess magnetic properties as advanced as those of sintered magnets, they can be made in shapes and sizes that are difficult to achieve with sintering.

A variety of coatings can be applied to the magnets’ surface to overcome the principle drawback of neodymium-based magnets, their tendency to corrode easily.

Neodymium Magnet Grade: N27-N52, 30M-50M, 30H-48H, 30SH-45SH, 28UH-40UH, 28EH-38EH, 28AH~35AH;

Sintered NdFeB Magnets By Grade

N Material NdFeB

M Material NdFeB

H Material NdFeB

SH Material NdFeB

UH Material NdFeB

EH Material NdFeB

AH Material NdFeB

Typical Magnetic Properties / Magnet Grade

Grade

Max. Energy Product

Remanence

Coercive Force

Rev. Temp. Coeff.

Curie Temp.

Max. Working Temp.

(BH)max

Br

Hc

Hci

Bd

Hd

Tc

Tw

MGOe

kJ/m3

kG

mT

kOe

kA/m

kOe

kA/m

%/°C

%/°C

°C

°C

N27

25-29

199-231

10.50

1050

>10.0

>796

>12.0

>955

-0.12

-0.60

310

80

N30

28-31

223-247

11.00

1100

>10.2

>812

>12.0

>955

-0.12

-0.60

310

80

N33

31-33

247-263

11.50

1150

>10.5

>836

>12.0

>955

-0.12

-0.60

310

80

N35

33-36

263-287

12.00

1200

>10.9

>868

>12.0

>955

-0.12

-0.60

310

80

N38

36-39

287-310

12.40

1240

>11.3

>899

>12.0

>955

-0.12

-0.60

310

80

N40

38-41

302-326

12.70

1270

>11.4

>907

>12.0

>955

-0.12

-0.60

310

80

N42

40-43

318-342

13.00

1300

>11.5

>915

>12.0

>955

-0.12

-0.60

310

80

N45

43-46

342-366

13.50

1350

>11.6

>923

>12.0

>955

-0.12

-0.60

310

80

N48

46-49

366-390

14.00

1400

>11.6

>923

>12.0

>955

-0.12

-0.60

310

80

N50

48-51

382-406

14.30

1430

>10.3

>820

>12.0

>955

-0.12

-0.60

310

80

N52

50-53

398-422

14.50

1450

>10.3

>820

>11.0

>877

-0.12

-0.60

310

80

N30M

28-31

223-247

11.00

1100

>10.2

>812

>14.0

>1114

-0.12

-0.59

320

100

N33M

31-33

247-263

11.50

1150

>10.5

>836

>14.0

>1114

-0.12

-0.59

320

100

N35M

33-36

263-287

12.00

1200

>10.9

>868

>14.0

>1114

-0.12

-0.59

320

100

N38M

36-39

287-310

12.40

1240

>11.4

>907

>14.0

>1114

-0.12

-0.59

320

100

N40M

38-41

302-326

12.70

1270

>11.6

>923

>14.0

>1114

-0.12

-0.59

320

100

N42M

40-43

318-342

13.00

1300

>12.0

>955

>14.0

>1114

-0.12

-0.59

320

100

N45M

43-46

342-366

13.50

1350

>12.5

>995

>14.0

>1114

-0.12

-0.59

320

100

N48M

46-49

366-390

14.00

1400

>12.9

>1027

>14.0

>1114

-0.12

-0.59

320

100

N50M

48-51

382-406

14.30

1430

>13.1

>1043

>14.0

>1114

-0.11

-0.58

320-350

100

N30H

28-31

223-247

11.00

1100

>10.2

>812

>17.0

>1353

-0.11

-0.58

320-350

120

N33H

31-34

247-271

11.50

1150

>10.5

>836

>17.0

>1353

-0.11

-0.58

320-350

120

N35H

33-36

263-287

12.00

1200

>10.9

>868

>17.0

>1353

-0.11

-0.58

320-350

120

N38H

36-39

287-310

12.40

1240

>11.4

>907

>17.0

>1353

-0.11

-0.58

320-350

120

N40H

38-41

302-326

12.70

1270

>11.6

>923

>17.0

>1353

-0.11

-0.58

320-350

120

N42H

40-43

318-342

13.00

1300

>12.0

>955

>17.0

>1353

-0.11

-0.58

320-350

120

N45H

43-46

342-366

13.50

1350

>12.5

>999

>17.0

>1353

-0.11

-0.58

320-350

120

N48H

46-49

366-390

14.00

1400

>12.9

>1027

>17.0

>1353

-0.11

-0.55

340-360

120

N30SH

28-31

223-247

11.00

1100

>10.2

>812

>20.0

>1592

-0.11

-0.55

340-360

150

N33SH

31-34

247-271

11.50

1150

>10.6

>844

>20.0

>1592

-0.11

-0.55

340-360

150

N35SH

33-36

263-287

12.00

1200

>11.0

>876

>20.0

>1592

-0.11

-0.55

340-360

150

N38SH

36-39

287-310

12.40

1240

>11.4

>907

>20.0

>1592

-0.11

-0.55

340-360

150

N40SH

38-41

302-326

12.70

1270

>11.8

>939

>20.0

>1592

-0.11

-0.55

340-360

150

N42SH

40-43

318-342

13.00

1300

>12.4

>987

>20.0

>1592

-0.11

-0.55

340-360

150

N45SH

43-46

342-366

13.50

1350

>12.6

>1003

>20.0

>1592

-0.11

-0.51

350-380

150

N28UH

26-29

207-231

10.60

1060

>9.6

>764

>25.0

>1990

-0.11

-0.51

350-380

180

N30UH

28-31

223-247

11.00

1100

>10.2

>812

>25.0

>1990

-0.11

-0.51

350-380

180

N33UH

31-34

247-271

11.50

1150

>10.8

>860

>25.0

>1990

-0.11

-0.51

350-380

180

N35UH

33-36

263-287

12.00

1200

>11.3

>899

>25.0

>1990

-0.11

-0.51

350-380

180

N38UH

36-39

287-310

12.40

1240

>11.5

>915

>25.0

>1990

-0.11

-0.51

350-380

180

N40UH

38-41

302-326

12.70

1270

>11.8

>939

>25.0

>1990

-0.11

-0.51

350-380

180

N28EH

26-29

207-231

10.70

1070

>9.8

>780

>30.0

>2388

-0.11

-0.51

350-380

200

N30EH

28-31

223-247

11.10

1110

>10.2

>812

>30.0

>2388

-0.11

-0.51

350-380

200

N33EH

31-34

227-271

11.50

1150

>10.8

>860

>30.0

>2388

-0.11

-0.51

350-380

200

N35EH

33-36

263-287

12.00

1200

>11.1

>884

>30.0

>2388

-0.11

-0.51

350-380

200

N38EH

36-39

287-310

12.40

1240

>11.5

>915

>30.0

>2388

-0.11

-0.51

350-380

200

N28AH

26-29

207-231

10.70

1070

>9.8

>780

>35.0

>2786

-0.11

-0.51

350-380

220

N30AH

28-31

223-247

11.10

1110

>10.2

>812

>35.0

>2786

-0.11

-0.51

350-380

220

N33AH

31-34

227-271

11.50

1150

>10.8

>860

>35.0

>2786

-0.11

-0.51

350-380

220

N35AH

33-36

263-287

12.00

1200

>11.1

>884

>35.0

>2786

-0.11

-0.51

350-380

220

Enclosed Vibration Motor Magnet in Mobilephone Smartphone Watch, Smartphone Watch Small Coin Flat Button Vibration DC Motor Ring Magnet, Linear Vibrator Motor Coin Shaftless Vibrating Motor Permanent Magnet for Pancake Mini Motor Voice Coil Motor, Rare Earth Super Strong Sintered NdFeB Ring Micro Ring Button Magnet in Linear Resonance Actuator, N54SH N52SH N50H Ni-Cu-Ni Coating Licensed Neodymium Tiny Magnets China Supplier

Enclosed Vibration Motor Magnet in Mobilephone Smartphone Watch

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Ni Plated ERM Vibration Motor Magnet in Mobile Phones Controllers

Ni Plated ERM Vibration Motor Magnet in Mobile Phones / Controllers

Ni Plated ERM Vibration Motor Magnet in Mobile Phones / Controllers, Smartphone Watch Small Coin Flat Button Vibration DC Motor Ring Magnet, Linear Vibrator Motor Coin Shaftless Vibrating Motor Permanent Magnet for Pancake Mini Motor Voice Coil Motor, Rare Earth Super Strong Sintered NdFeB Ring Micro Ring Button Magnet in Linear Resonance Actuator, N54SH N52SH […]

Zinc Plated Ring Magnets for Pancake ERMs Vibrating Mini-motor Discs

Zinc Plated Ring Magnets for Pancake ERMs Vibrating Mini-motor Discs

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Smartphone Watch Vibromotor Neodymium Ring Magnets N45SH

Smartphone Watch Vibromotor Neodymium Ring Magnets N45SH

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N45 Neodymium Ring Small Vibration Device Magnet

N45 Neodymium Ring Small Vibration Device Magnet

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Linear Resonant Actuator LRA Motor Magnets Neo N45

Linear Resonant Actuator LRA Motor Magnets Neo N45

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Small Vibration Amplitude ERM Motor Magnets N42

Small Vibration Amplitude ERM Motor Magnets N42

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Small Size Tiny Earth Ring Magnets N50 for Vibration ERM Motors

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Coin Vibration Motor Magnet Neodymium Rings N50

Coin Vibration Motor Magnet Neodymium Rings N50

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Eccentric Rotating Mass (ERM) Industrial Vibration Motor NdFeB Magnets N48

Eccentric Rotating Mass (ERM) Industrial Vibration Motor NdFeB Magnets N48

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Low Cost NdFeB ERM Vibration Motor Magnets N38

Low Cost NdFeB ERM Vibration Motor Magnets N38

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NdFeB Ring Botton Magnet N50 for Iphone Coin Vibrator Motor

NdFeB Ring Botton Magnet N50 for Iphone Coin Vibrator Motor

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Precision Vibrator Motor Magnet NdFeB Rings N50

Precision Vibrator Motor Magnet NdFeB Rings N50

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Precision Vibration Motor Magnet Coin N52 Neo

Precision Vibration Motor Magnet Coin N52 Neo

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N52 Neodymium Ring Coin Permanent Magnet fits Precision Motors

N52 Neodymium Ring Coin Permanent Magnet fits Precision Motors

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N42 Neodymium Coin Magnet fits Precision Micro Drives

N42 Neodymium Coin Magnet fits Precision Micro Drives

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Micro Neo Coin Magnet N45 for Precision Micro Drives

Micro Neo Coin Magnet N45 for Precision Micro Drives

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Neo Micro Ring Magnets N48 for Coin Vibrator Motor

Neo Micro Ring Magnets N48 for Coin Vibrator Motor

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Neodymium Micro Magnets N52 for Coin Vibrating Motor

Neodymium Micro Magnets N52 for Coin Vibrating Motor

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Tiny Ring Magnets N50 for Micro Coin-Type Vibration Motors

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Coin NdFeB Magnet N40H for Micro Coin-Type Vibration Motor

Coin NdFeB Magnet N40H for Micro Coin-Type Vibration Motor

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N38H Coin Precision Magnet for Micro Voice Coil Motor Actuator

N38H Coin Precision Magnet for Micro Voice Coil Motor Actuator

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N38H Micro Coin Magnet for Moving-Magnet Voice Coil Actuator

N38H Micro Coin Magnet for Moving-Magnet Voice Coil Actuator

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N35H Micro Motor Magnets for Mobile Phone Pager Tablet Household

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N40 Micro DC Vibrating Motor Magnets for Mobile Cell Phone Pager

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Precision Coin Magnets N42 for Shaftless Vibration Motor

Precision Coin Magnets N42 for Shaftless Vibration Motor

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Ring Neodymium Precision Magnets N45 for Coin Vibration Motor

Ring Neodymium Precision Magnets N45 for Coin Vibration Motor

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Neodymium Coin Vibrator Motor Magnets Ring N45

Neodymium Coin Vibrator Motor Magnets Ring N45

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