Permanent Neodymium Ring Rare Earth Neodymium Magnets

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Basic Info.
  • Application: Industrial Magnet 
  • Shape: Disc 
  • Type: Permanent 
  • Composite: Neodymium Magnet 
  • Composite:: Rare Earth Magnet 
  • Shape::: Ring, can also be custom produced. 
  • size: can be custom produced 
  • application: Horn, mineral processing equipment, lifting equipment, etc 
  • Grade: N35-52,M,H,SH,UH,EH 
  • Place of Origin: Zhejiang  
  • Min.Order: 1000 Piece/Pieces
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 1000000 piece one year
  • Packing:According to the practical mode of transportation decided to packing
  • Delivery Date: According to the actual number of delivery date
 product name Permanent Neodymium Ring Magnets Rare Earth Neodymium Loudspeaker Magnets
Permanent Neodymium Ring Magnets Rare Earth Neodymium Loudspeaker Magnets
feature
1.Composite:Rare Earth Magnet
2.Shape:Ring, can also be custom produced.
3.size:can be custom produced
4.application :Horn, mineral processing equipment, lifting equipment, etc
5.type:permanent
6.Grade:N35-52,M,H,SH,UH,EH

Application
Wit the good performance, our Neodymium Rare Earth Magnet Ring Permanent NdFeB Magnete can provide sound equipments with better sensitiveness and susceptibility, therefore our Neodymium Rare Earth Magnet Ring Permanent NdFeB Magnete are widely used in loudspeaker, headphone, earphone, stage sound device, alarm, microphone and so on.
Elevator Motors:

* High Coercive Force (Hcb).
* High Intrinsic Coercive Force (Hcb).
* High Magnetic Energy Product (BH)max.
* Low Temperature Coefficient.
* Low Weight-loss (HAST).
* Very good magnetic uniformity and cost performance.

The Material Grade of Neodymium Magnets Permanent Neodym Magnete:

* Magnet N: N35, N38, N40, N42, N45, N48, N50, N52.
* Magnet M: 33M, 35M, 38M, 40M, 42M, 45M, 48M, 50M.
* Magnet H: 35H, 38H, 40H, 42H, 45H, 48H.
* Magnet SH: 35SH, 38SH, 40SH, 42SH, 45SH.
* Magnet UH: 28UH, 30UH, 33UH, 35UH, 38UH.
* Magnet EH: 28EH, 30EH, 33EH, 35EH, 38EH.
* Magnet AH: 30AH, 33AH.

Residual Induction
Coercive Force
Intrinsic Coercive Force
Maximum Energy Product
Maximum Working Temperature
Br
Hcb
Hcj
(BH)max
Tw
mT
kA/m
kA/m
kJ/m3
[kGs]
[kOe]
[kOe]
[MGOe]
N35
1170-1220
≥868
≥955
263-287
80°
[11.7-12.2]
[≥10.9]
[≥12]
[33-36]
N38
1220-1250
≥899
≥955
287-310
80°
[12.2-12.5]
[≥11.3]
[≥12]
[36-39]
N40
1250-1280
≥907
≥955
302-326
80°
[12.5-12.8]
[≥11.4]
[≥12]
[38-41]
N42
1280-1320
≥915
≥955
318-342
80°
[12.8-13.2]
[≥11.5]
[≥12]
[40-43]
N45
1320-1380
≥923
≥955
342-366
80°
[13.2-13.8]
[≥11.6]
[≥12]
[43-46]
N48
1380-1420
≥923
≥955
366-390
80°
[13.8-14.2]
[≥11.6]
[≥12]
[46-49]
N50
1400-1450
≥796
≥876
382-406
80°
[14.0-14.5]
[≥10.0]
[≥11]
[48-51]
N52
1430-1480
≥796
≥876
398-422
80°
[14.3-14.8]
[≥10.0]
[≥11]
[50-53]
30M
1080-1130
≥805
≥1114
223-247
100°
[10.8-11.3]
[≥10.1]
[≥14]
[28-31]
33M
1130-1170
≥836
≥1114
247-263
100°
[11.3-11.7]
[≥10.5]
[≥14]
[31-33]
35M
1170-1220
≥868
≥1114
263-287
100°
[11.7-12.2]
[≥10.9]
[≥14]
[33-36]
38M
1220-1250
≥899
≥1114
287-310
100°
[12.2-12.5]
[≥11.3]
[≥14]
[36-39]
40M
1250-1280
≥923
≥1114
302-326
100°
[12.5-12.8]
[≥11.6]
[≥14]
[38-41]
42M
1280-1320
≥955
≥1114
318-342
100°
[12.8-13.2]
[≥12.0]
[≥14]
[40-43]
45M
1320-1380
≥995
≥1114
342-366
100°
[13.2-13.8]
[≥12.5]
[≥14]
[43-46]
48M
1370-1430
≥1027
≥1114
366-390
100°
[13.7-14.3]
[≥12.9]
[≥14]
[46-49]
50M
1400-1450
≥1033
≥1114
382-406
100°
[14.0-14.5]
[≥13.0]
[≥14]
[48-51]
35H
1170-1220
≥868
≥1353
263-287
120°
[11.7-12.2]
[≥10.9]
[≥17]
[33-36]
38H
1220-1250
≥899
≥1353
287-310
120°
[12.2-12.5]
[≥11.3]
[≥17]
[36-39]
40H
1250-1280
≥923
≥1353
302-326
120°
[12.5-12.8]
[≥11.6]
[≥17]
[38-41]
42H
1280-1320
≥955
≥1353
318-342
120°
[12.8-13.2]
[≥12.0]
[≥17]
[40-43]
45H
1320-1360
≥963
≥1353
342-366
120°
[13.2-13.6]
[≥12.1]
[≥17]
[43-46]
48H
1370-1430
≥995
≥1353
366-390
120°
[13.7-14.3]
[≥12.5]
[≥17]
[46-49]
35SH
1170-1220
≥876
≥1592
263-287
150°
[11.7-12.2]
[≥11.0]
[≥20]
[33-36]
38SH
1220-1250
≥907
≥1592
287-310
150°
[12.2-12.5]
[≥11.4]
[≥20]
[36-39]
40SH
1250-1280
≥939
≥1592
302-326
150°
[12.5-12.8]
[≥11.8]
[≥20]
[38-41]
42SH
1280-1320
≥987
≥1592
318-342
150°
[12.8-13.2]
[≥12.4]
[≥20]
[40-43]
45SH
1320-1380
≥1003
≥1592
342-366
150°
[13.2-13.8]
[≥12.6]
[≥20]
[43-46]
28UH
1040-1080
≥764
≥1990
207-231
180°
[10.4-10.8]
[≥9.6]
[≥25]
[26-29]
30UH
1080-1130
≥812
≥1990
223-247
180°
[10.8-11.3]
[≥10.2]
[≥25]
[28-31]
33UH
1130-1170
≥852
≥1990
247-271
180°
[11.3-11.7]
[≥10.7]
[≥25]
[31-34]
35UH
1170-1220
≥860
≥1990
263-287
180°
[11.7-12.2]
[≥10.8]
[≥25]
[33-36]
38UH
1220-1250
≥876
≥1990
287-310
180°
[12.2-12.5]
[≥11.0]
[≥25]
[36-39]
40UH
1250-1280
≥899
≥1990
302-326
180°
[12.5-12.8]
[≥11.3]
[≥25]
[38-41]
28EH
1040-1080
≥780
≥2388
207-231
200°
[10.4-10.8]
[≥9.8]
[≥30]
[26-29]
30EH
1080-1130
≥812
≥2388
223-247
200°
[10.8-11.3]
[≥10.2]
[≥30]
[28-31]
33EH
1130-1170
≥876
≥2388
247-271
200°
[11.3-11.7]
[≥10.5]
[≥30]
[31-34]
35EH
1170-1220
≥876
≥2388
263-287
200°
[11.7-12.2]
[≥11.0]
[≥30]
[33-36]
38EH
1220-1250
≥899
≥2388
287-310
200°
[12.2-12.5]
[≥11.3]
[≥30]
[36-39]
28AH
1040-1080
≥787
≥2624
207-231
220°
[10.4-10.8]
[≥9.9]
[≥33]
[26-29]
30AH
1080-1130
≥819
≥2624
223-247
220°
[10.8-11.3]
[≥10.3]
[≥33]
[28-31]
33AH
1130-1170
≥843
≥2624
247-271
220°
[11.3-11.7]
[≥10.6]
[≥33]





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Mr. wang jian bo (manager)
Tel: 86-574-87560803
Mobile: 13116636617
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Ningbo Permanent Magnet Materials Co.,Ltd
Majing Industrial Park, Jiangbei district, Ningbo, Zhejiang, China (Mainland)
Fax: 86-574-87560803
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