China Rare Earth Permanent Magnet Ltd
 
Alnico Magnets
Bonded Magnet
Ceramic Magnet

Ferrite Magnet
Flexible Magnet
High Temperature Magnet
Jewellery Magnet
Magnet Accessory
Magnet Assembly

Magnetic Jewellery
Motor Magnet
NdFeB Magnet
Neodymium Magnet
Permanent Lifting Magnets
Rare Earth Magnet
Sintered Magnet
Speaker Magnet
Water Treatment Magnet
Rubber Magnet
Strong Magnet
HOME
Online Order
 
magnetndfeb@china-ncc.com


News

Neodymium Magnets Wholesale-Neodymium Magnet


 
Neodymium Magnets: Neodymium Magnet is Neodymium Iron Boron magnets. It's the 3rd era associated with rare earth magnet and it has already been in a commercial sense obtainable because the middle -1980's. It's the most effective rare earth magnet. These days having higher power item through 8MGOe in order to 52MGOe as well as Neodymium Metal Boron offers great opposition in order to exterior demagnetization areas due to the higher Innate Coercive Pressure (Hci). This particular opposition can make Neodymium magnets a great option with regard to electromechanical programs. Along with plentiful uncooked materials, NdFeB price much less. Additionally the actual denseness associated with NdFeB items is all about 13% scaled-down compared to SmCo items, simply because NdFeB magnets tend to be more vulnerable to oxidation compared to every other magnetic metal, therefore for many programs; layer or even plating the actual magnets is actually suggested.

Sintered NdFeB Magnet

Neodymium Magnet image

Neodymium Iron Boron magnets image

NdFeB magnets image

MAGNETIC CHARACTERISTICS AND PHYSICAL PROPERTIES OF SINTERED NdFeB

Grade

Br
mT
(kGs)

Hcb
kA/m
(kOe)

Hcj
kA/m
(kOe)

( BH )max kJ/m3
(MGOe)

(Tw)

N27

1030-1080
(10.3-10.8)

≥ 796
( ≥ 10.0)

≥ 955
( ≥ 12)

199-231
(25-29)

80 ℃

N30

1080-1130
(10.8-11.3)

≥ 796
( ≥ 10.0)

≥ 955
( ≥ 12)

223-247
(28-31)

80 ℃

N33

1130-1170
(11.3-11.7)

≥ 836
( ≥ 10.5)

≥ 955
( ≥ 12)

247-271
(31-34)

80 ℃

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)

≥ 876
( ≥ 12)

366-390
(46-49)

80 ℃

N50

1400-1450
(14.0-14.5)

≥ 796
( ≥ 10.0)

≥ 876
( ≥ 11)

382-406
(48-51)

60 ℃

N52

1430-1480
(14.3-14.8)

≥ 796
( ≥ 10.0)

≥ 876
( ≥ 11)

398-422
(50-53)

60 ℃

30M

1080-1130
(10.8-11.3)

≥ 796
( ≥ 10.0)

≥ 1114
( ≥ 14)

223-247
(28-31)

100 ℃

33M

1130-1170
(11.3-11.7)

≥ 836
( ≥ 10.5)

≥ 1114
( ≥ 14)

247-263
(31-33)

100 ℃

35M

1170-1220
(11.7-12.2)

≥ 868
( ≥ 10.9)

≥ 1114
( ≥ 14)

263-287
(33-36)

100 ℃

38M

1220-1250
(12.2-12.5)

≥ 899
( ≥ 11.3)

≥ 1114
( ≥ 14)

287-310
(36-39)

100 ℃

40M

1250-1280
(12.5-12.8)

≥ 923
( ≥ 11.6)

≥ 1114
( ≥ 14)

302-326
(38-41)

100 ℃

42M

1280-1320
(12.8-13.2)

≥ 955
( ≥ 12.0)

≥ 1114
( ≥ 14)

318-342
(40-43)

100 ℃

45M

1320-1380
(13.2-13.8)

≥ 995
( ≥ 12.5)

≥ 1114
( ≥ 14)

342-366
(43-46)

100 ℃

48M

1360-1430
(13.6-14.3)

≥ 1027
( ≥ 12.9)

≥ 1114
( ≥ 14)

366-390
(46-49)

100 ℃

50M

1400-1450
(14.0-14.5)

≥ 1033
( ≥ 13.0)

≥ 1114
( ≥ 14)

382-406
(48-51)

100 ℃

30H

1080-1130
(10.8-11.3)

≥ 796
( ≥ 10.0)

≥ 1353
( ≥ 17)

223-247
(28-31)

120 ℃

33H

1130-1170
(11.3-11.7)

≥ 836
( ≥ 10.5)

≥ 1353
( ≥ 17)

247-271
(31-34)

120 ℃

35H

1170-1220
(11.7-12.2)

≥ 868
( ≥ 10.9)

≥ 1353
( ≥ 17)

263-287
(33-36)

120 ℃

38H

1220-1250
(12.2-12.5)

≥ 899
( ≥ 11.3)

≥ 1353
( ≥ 17)

287-310
(36-39)

120 ℃

40H

1250-1280
(12.5-12.8)

≥ 923
( ≥ 11.6)

≥ 1353
( ≥ 17)

302-326
(38-41)

120 ℃

42H

1280-1320
(12.8-13.2)

≥ 955
( ≥ 12.0)

≥ 1353
( ≥ 17)

318-342
(40-43)

120 ℃

45H

1300-1360
(13-13.6)

≥ 963
( ≥ 12.1)

≥ 1353
( ≥ 17)

326-358
(43-46)

120 ℃

48H

1370-1430
(13.7-14.3)

≥ 995
( ≥ 12.5)

≥ 1353
( ≥ 17)

366-390
(46-49)

120 ℃

30SH

1080-1130
(10.8-11.3)

≥ 804
( ≥ 10.1)

≥ 1592
( ≥ 20)

223-247
(28-31)

150 ℃

33SH

1130-1170
(11.3-11.7)

≥ 844
( ≥ 10.6)

≥ 1592
( ≥ 20)

247-271
(31-34)

150 ℃

35SH

1170-1220
(11.7-12.2)

≥ 876
( ≥ 11.0)

≥ 1592
( ≥ 20)

263-287
(33-36)

150 ℃

38SH

1220-1250
(12.2-12.5)

≥ 907
( ≥ 11.4)

≥ 1592
( ≥ 20)

287-310
(36-39)

150 ℃

40SH

1240-1280
(12.5-12.8)

≥ 939
( ≥ 11.8)

≥ 1592
( ≥ 20)

302-326
(38-41)

150 ℃

42SH

1280-1320
(12.8-13.2)

≥ 987
( ≥ 12.4)

≥ 1592
( ≥ 20)

318-342
(40-43)

150 ℃

45SH

1320-1380
(13.2-13.8)

≥ 1003
( ≥ 12.6)

≥ 1592
( ≥ 20)

342-366
(43-46)

150 ℃

28UH

1020-1080 (10.2-10.8)

≥ 764
( ≥ 9.6)

≥ 1990
( ≥ 25)

207-231
(26-29)

180 ℃

30UH

1080-1130 (10.8-11.3)

≥ 812
( ≥ 10.2)

≥ 1990
( ≥ 25)

223-247
(28-31)

180 ℃

33UH

1130-1170
(11.3-11.7)

≥ 852
( ≥ 10.7)

≥ 1990
( ≥ 25)

247-271
(31-34)

180 ℃

35UH

1180-1220
(11.8-12.2)

≥ 860
( ≥ 10.8)

≥ 1990
( ≥ 25)

263-287
(33-36)

180 ℃

38UH

1220-1250
(12.2-12.5)

≥ 876
( ≥ 11.0)

≥ 1990
( ≥ 25)

287-310
(36-39)

180 ℃

40UH

1240-1280
(12.5-12.8)

≥ 899
( ≥ 11.3)

≥ 1990
( ≥ 25)

302-326
(38-41)

180 ℃

28EH

1040-1090
(10.4-10.9)

≥ 780
( ≥ 9.8)

≥ 2388
( ≥ 30)

207-231
(26-29)

200 ℃

30EH

1080-1130 (10.8-11.3)

≥ 812
( ≥ 10.2)

≥ 2388
( ≥ 30)

223-247
(28-31)

200 ℃

33EH

1130-1170
(11.3-11.7)

≥ 836
( ≥ 10.5)

≥ 2388
( ≥ 30)

247-271
(31-34)

200 ℃

35EH

1170-1220
(11.7-12.2)

≥ 876
( ≥ 11.0)

≥ 2388
( ≥ 30)

263-287
(33-36)

200 ℃

38EH

1220-1250
(12.2-12.5)

≥ 899
( ≥ 11.3)

≥ 2388
( ≥ 30)

287-310
(36-39)

200 ℃

Magnetic characteristics and physical properterties of bonded compression moulding NdFeB magnet

 

Performance

BNP-6

BNP-8L

BNP-8

BNP-8SR

BNP-8H

BNP-9

BNP-10

BNP-11

BNP-11L

BNP-12L

B r T(Gs)

0.55-0.62

0.60-0.64

0.62-0.69

0.62-0.66

0.61-0.65

0.65-0.70

0.68-0.72

0.70-0.74

0.70-0.74

0.74-0.80

H CB kA/m(kOe)

285-370 (3.6-4.6)

360-400 (4.5-5.0)

385-445 (4.8-5.6)

410-465 (5.2-5.8)

410-455 (5.2-5.7)

400-440 (5.0-5.5)

420-470 (5.3-5.9)

445-480 (5.6-6.0)

400-440 (5.0-5.5)

420-455 (5.3-5.7)

H CJ kA/m(kOe)

600-755 (7.5-9.5)

715-800 (9-10)

640-800 (8-10)

880-1120 (11-14)

1190-1440 (15-18)

640-800 (8-10)

640-800 (8-10)

680-800 (8.5-10)

520-640 (6.5-8)

520-600 (6.5-7.5)

(BH) max kJ/m 3 (MGOe)

44-56 ( 5.5-7 )

56-64 ( 7.0-8.0 )

64-72 ( 8.0-9.0 )

64-72 ( 8.0-9.0 )

64-72 ( 8.0-9.0 )

70-76 ( 8.8-9.5 )

76-84 ( 9.5-10.5 )

80-88 ( 10.0-11.0 )

78-84 ( 9.8-10.5 )

84-92 ( 10.5-11.5 )

D g/cm 3

5.5-6.1

5.6-6.1

5.8-6.1

5.8-6.1

5.9-6.2

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

μ r

1.15

1.15

1.15

1.13

1.15

1.22

1.22

1.22

1.26

1.26

α( B r ) %/ ℃

-0.13

-0.13

-0.13

-0.13

-0.07

-0.12

-0.11

-0.11

-0.11

-0.08

T w ℃

100

110

120

150

125

120

120

120

110

110

1.The characteristics in this table are measured on CREM's standard test samples and not guaranteed values.

 

 

Demagnetization curves of Sintered NdFeB N40 at different temperature Demagnetization curves of Sintered NdFeB N42 at different temperature
 

Demagnetization curves of Sintered NdFeB N33SH at different temperature Demagnetization curves of Sintered NdFeB N38SH at different temperature
 

Demagnetization curves of Sintered NdFeB N30UH at different temperature Demagnetization curves of Sintered NdFeB N30SH at different temperature
 

permanent magnet image
rare earth magnet image
ring magnet image
segment magnet image
bonded magnet image


E-mail: magnetndfeb@china-ncc.com
Fax: (86)755 26915592
Tel: (86)755 26923096
Online Order
Address: China Rare Earth Magnet Limited
Room No. 705-707, Tower A Century Holiday Plaza,No.9030 Shennan Rd., OCT, Nanshan District, Shenzhen , China .
Post Code: 518053
 
 
  Copyright © 2012 China Rare Earth Magnet Limited All Rights Reserved
 

We manufacture Ndfeb magnet, Neodymium Magnet & Neodymium Iron Boron magnets,

NdFeB magnet & Nd-Fe-B magnet, sintered NdFeB & Bonded NdFeB,china magnet, china magnets