Detailed Product Description
The magnetic ball can be used as the TOY, that's very interesting, and the toy can be many shapes when you play them,you can use the magnetic ball to get many different shapes in your mind.
1. Many Grade: N, M, H, SH, UH, EH
2. Many Shapes: Block, Ring, Disc, Ball, sheet and so on
3. Short Lead Time: 10-18days
4. Quality System: ISO 9002
Use Customer Design
Magnetic Characteristics And Physical Properties of Sintered NdFeB magnet:
|
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.
|
|