Detailed Product Description
1. Materials: Neodymium-Iron-Boron, Rare Earth Disc NdFeB magnet;
2. Technology: Utilizes new Sintered NdFeB magnet techniques and equipment such as strip casting, HDDR technology;
3 . Magnetic properties:
a. High coercive force
b. (BH)max from 33 to 53MGOe,
c. Max working temperature up to 230°C;
4. Grades: N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH, 30EH-35EH;
5. Shapes: Ring, or others;
6. Sizes: D x d x H, Customized;
7. Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene, etc;
8. Applications: Sensors, motors, rotors, wind turbines/wind generators, loudspeakers, hooks, magnetic holder, filters, automobiles,etc;
9. Parameters: Grade, Size or Drawing, Coating, Quantity, Etc.
Glad to give you some suggestions on the Magnetic Ring.
10. Certification: ISO9001:2008
Magnetic Characteristics And Physical Properties of Sintered NdFeB
|
Properties
|
Remanence
|
Coercive Force
|
Intrinsic Coercive Force
|
Max Energy Product
|
Max Working Temp
|
|
Br
|
Hcb
|
Hcj
|
(BH)max
|
Tw
|
Grade
|
mT(KGs)
|
KA/m (KGs)
|
KA/m (KOe)
|
KJ/m 3 ( MGOe )
|
℃
|
N-30
|
1080-1130
|
≥ 796
|
≥ 955
|
223-247
|
≤ 80
|
(10.8-11.3)
|
( ≥ 10)
|
( ≥ 12)
|
(28-31)
|
N-33
|
1130-1180
|
≥ 836
|
≥ 955
|
247-270
|
≤ 80
|
(11.3-11.8)
|
( ≥ 10.5)
|
( ≥ 12)
|
(31-34)
|
N-35
|
1170-1220
|
≥ 868
|
≥ 955
|
263-287
|
≤ 80
|
(11.7-12.2)
|
( ≥ 10.9)
|
( ≥ 12)
|
(33-36)
|
N-38
|
1220-1250
|
≥ 899
|
≥ 955
|
287-310
|
≤ 80
|
(12.2-12.5)
|
( ≥ 11.3)
|
( ≥ 12)
|
(36-39)
|
N-40
|
1250-1280
|
≥ 923
|
≥ 955
|
302-326
|
≤ 80
|
(12.5-12.8)
|
( ≥ 11.6)
|
( ≥ 12)
|
(38-41)
|
N-42
|
1280-1320
|
≥ 923
|
≥ 955
|
318-342
|
≤ 80
|
(12.8-13.2)
|
( ≥ 11.6)
|
( ≥ 12)
|
(40-43)
|
N-45
|
1320-1380
|
≥ 876
|
≥ 955
|
342-366
|
≤ 80
|
(13.2-13.8)
|
( ≥ 11.0)
|
( ≥ 12)
|
(43-46)
|
N-48
|
1380-1420
|
≥ 836
|
≥ 876
|
366-390
|
≤ 80
|
(13.8-14.2)
|
( ≥ 10.5)
|
( ≥ 11)
|
(46-49)
|
N-50
|
1400-1450
|
≥ 860
|
≥ 876
|
382-406
|
≤ 80
|
(14.0-14.5)
|
( ≥ 10.8)
|
( ≥ 11)
|
(48-51)
|
30M
|
1080-1130
|
≥ 796
|
≥ 1114
|
223-247
|
≤ 100
|
(10.8-11.3)
|
( ≥ 10)
|
( ≥ 14)
|
(28-31)
|
33M
|
1130-1180
|
≥ 836
|
≥ 1114
|
247-270
|
≤ 100
|
(11.3-11.8)
|
( ≥ 10.5)
|
( ≥ 14)
|
(31-34)
|
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
|
1360-1430
|
≥ 1027
|
≥ 1114
|
366-390
|
≤ 100
|
(13.6-14.3)
|
( ≥ 12.9)
|
( ≥ 14)
|
(46-49)
|
50M
|
1400-1450
|
≥ 1033
|
≥ 1114
|
382-406
|
≤ 100
|
(14.0-14.5)
|
( ≥ 13.0)
|
( ≥ 14)
|
(48-51)
|
30H
|
1080-1130
|
≥ 796
|
≥ 1353
|
223-247
|
≤ 120
|
(10.8-11.3)
|
( ≥ 10)
|
( ≥ 17)
|
(28-31)
|
33H
|
1130-1180
|
≥ 836
|
≥ 1353
|
247-271
|
≤ 120
|
(11.3-11.8)
|
( ≥ 10.5)
|
( ≥ 17)
|
(31-34)
|
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
|
1320-1380
|
≥ 963
|
≥ 1353
|
342-366
|
≤ 120
|
(13.2-13.8)
|
( ≥ 12.1)
|
( ≥ 17)
|
(43-46)
|
48H
|
1370-1430
|
≥ 995
|
≥ 1274
|
366-390
|
≤ 120
|
(13.7-14.3)
|
( ≥ 12.5)
|
( ≥ 16)
|
(46-49)
|
30SH
|
1080-1130
|
≥ 804
|
≥ 1592
|
223-247
|
≤ 150
|
(10.8-11.3)
|
( ≥ 10.1)
|
( ≥ 20)
|
(28-31)
|
33SH
|
1130-1170
|
≥ 844
|
≥ 1592
|
247-271
|
≤ 150
|
(11.3-11.7)
|
≥ 10.6
|
( ≥ 20)
|
(31-34)
|
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
|
≥ 995
|
≥ 1592
|
318-342
|
≤ 150
|
(12.8-13.2)
|
( ≥ 12.5)
|
( ≥ 20)
|
(40-43)
|
45SH
|
1320-1380
|
≥ 1003
|
≥ 1592
|
342-366
|
≤ 150
|
(13.2-13.8)
|
( ≥ 12.6)
|
( ≥ 20)
|
(43-46)
|
28UH
|
1020-1080
|
≥ 764
|
≥ 1990
|
207-231
|
≤ 180
|
(10.2-10.8)
|
( ≥ 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
|
1180-1220
|
≥ 860
|
≥ 1990
|
263-287
|
≤ 180
|
(11.8-12.2)
|
( ≥ 10.8)
|
( ≥ 25)
|
(33-36)
|
38UH
|
1220-1250
|
≥ 907
|
≥ 1990
|
287-310
|
≤ 180
|
(12.2-12.5)
|
( ≥ 11.4)
|
( ≥ 25)
|
(36-39)
|
30EH
|
1080-1130
|
≥ 812
|
≥ 2388
|
223-247
|
≤ 200
|
(10.8-11.3)
|
( ≥ 10.2)
|
( ≥ 30)
|
(28-31)
|
33EH
|
1130-1170
|
≥ 812
|
≥ 2388
|
247-271
|
≤ 200
|
(11.3-11.7)
|
( ≥ 10.2)
|
( ≥ 30)
|
(31-34)
|
35EH
|
1170-1220
|
≥ 876
|
≥ 2388
|
263-287
|
≤ 200
|
(11.7-12.2)
|
( ≥ 11.0)
|
( ≥ 30)
|
(33-36)
|
30AH
|
1080-1130
|
≥ 812
|
≥ 2785
|
223-247
|
≤ 240
|
(10.8-11.3)
|
( ≥ 10.2)
|
( ≥ 35)
|
(28-31)
|
33AH
|
1130-1170
|
≥ 812
|
≥ 2785
|
247-271
|
≤ 240
|
(11.3-11.7)
|
( ≥ 10.2)
|
( ≥ 35)
|
31-34
|
|
|
|
|
|
|
NOTES:
|
The above-mentioned data of magnetic parameters and physical properties ars given at room temperature.
|
The maximum service temperature of magnet is changeable due to the ratio length and diameter and
|
Environmental factors.
Density: 7.4~7.6g/cm 3 ; α Br:-0.09~0.13%/ ℃, β Hcj: -0.50~0.80%/ ℃; Hv:600.
|