Detailed Product Description
Block Magnet is one regular shape of Sintered NdFeB permanent magnets.
It is always manufactured via Cutting, grinding and so on. Block magnet or Rectangle magnet have the following important factors, such as, Length,Width, Thicknes, Round Edge and so on.
Block magnets are mainly used in MRI equipment, magnetic separator machine and liner motor.
Block Magnet has been presented above, want more similar products, please click ndfeb magnet,rare earth magnet,sintered magnet.
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.
|
|