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    钕铁硼磁铁 NDFEB MAGNET


NEODYMIUM-IRON-BORON MAGNETS (Rare earth permanent magnetic).
Sintered neodymium-iron-boron (NdFeB) magnets, They offer the highest energy product of any material today and are available in a very wide range of shapes, sizes and grades. 

MAXIMUM USE TEMPERATURE AND CORROSION
The temperature stability and resist corrosion is not as good as permanent ferrite  magnet.

THE CHARACTERISTICS STANDARDS.

 
牌号
Grade
剩磁
 Remanence induction
矫顽力
Coercive force
内禀矫顽力
 Intrinsic Coercive force
最大磁能积
maximum Energy product
工作温度
Temperature
密度
Density
Br
Hcb
Hcj
(BH)max
耐温Pc≥0.7
ρ
T
KGs
KA/m
KOe
KA/m
KOe
KJ/m3
MGOe
g/cm3
N33
1.14-1.17
11.4-11.7
≥836
≥10.5
≥955
≥12
247-263
31-33
≤80
≥7.4
N35
1.17-1.22
11.7-12.2
≥859
≥10.8
≥955
≥12
263-287
33-36
≤80
≥7.4
N38
1.22-1.26
12.2-12.6
≥859
≥10.8
≥955
≥12
287-303
36-38
≤80
≥7.5
N40
1.26-1.29
12.6-12.9
≥836
≥10.5
≥955
≥12
303-318
38-40
≤80
≥7.5
N42
1.29-1.32
12.9-13.2
≥836
≥10.5
≥955
≥12
318-342
40-43
≤80
≥7.5
N45
1.32-1.37
13.2-13.7
≥836
≥10.5
≥955
≥12
342-359
43-45
≤80
≥7.5
N48
1.36-1.42
13.6-14.2
≥836
≥10.5
≥955
≥12
358-382
45-49
≤80
≥7.5
N50
1.40-1.45
14.0-14.5
≥836
≥10.5
≥955
≥12
374-406
47-51
≤80
≥7.5
N52
1.42-1.48
14.2-14.8
≥836
≥10.5
≥876
≥11
389-422
49-53
≤80
≥7.5
N30M
1.08-1.14
10.8-11.4
≥812
≥10.2
≥1114
≥14
223-247
28-31
≤100
≥7.5
N33M
1.14-1.17
11.4-11.7
≥852
≥10.7
≥1114
≥14
247-263
31-33
≤100
≥7.5
N35M
1.17-1.22
11.7-12.2
≥876
≥11.0
≥1114
≥14
263-287
33-36
≤100
≥7.5
N38M
1.22-1.26
12.2-12.6
≥916
≥11.5
≥1114
≥14
287-303
36-38
≤100
≥7.5
N40M
1.26-1.29
12.6-12.9
≥939
≥11.8
≥1114
≥14
303-318
38-40
≤100
≥7.5
N42M
1.29-1.32
12.9-13.2
≥955
≥12.0
≥1114
≥14
318-334
40-42
≤100
≥7.5
N45M
1.32-1.38
13.2-13.8
≥987
≥12.4
≥1114
≥14
334-366
42-46
≤100
≥7.5
N48M
1.36-1.42
13.6-14.2
≥1018
≥12.8
≥1114
≥14
358-390
45-49
≤100
≥7.5
N50M
1.39-1.45
13.9-14.5
≥1050
≥13.2
≥1114
≥14
374-406
47-51
≤100
≥7.5
N30H
1.08-1.14
10.8-11.4
≥812
≥10.2
≥1353
≥17
223-247
28-31
≤120
≥7.5
N33H
1.14-1.17
11.4-11.7
≥851
≥10.7
≥1353
≥17
247-263
31-33
≤120
≥7.5
N35H
1.17-1.22
11.7-12.2
≥875
≥11.0
≥1353
≥17
263-287
33-36
≤120
≥7.5
N38H
1.22-1.26
12.2-12.6
≥916
≥11.6
≥1353
≥17
287-303
36-38
≤120
≥7.5
N40H
1.26-1.29
12.6-12.9
≥939
≥11.8
≥1353
≥17
303-318
38-40
≤120
≥7.5
N42H
1.29-1.32
12.9-13.2
≥955
≥12.0
≥1353
≥17
318-334
40-42
≤120
≥7.5
N45H
1.32-1.38
13.2-13.8
≥987
≥12.4
≥1353
≥17
334-366
42-46
≤120
≥7.5
N48H
1.36-1.42
13.6-14.2
≥1026
≥12.9
≥1273
≥16
358-390
45-49
≤120
≥7.5
N30SH
1.08-1.14
10.8-11.4
≥812
≥10.2
≥1592
≥20
223-247
28-31
≤150
≥7.5
N33SH
1.14-1.17
11.4-11.7
≥851
≥10.7
≥1592
≥20
247-263
31-33
≤150
≥7.5
N35SH
1.17-1.22
11.7-12.2
≥876
≥11.0
≥1592
≥20
263-287
33-36
≤150
≥7.5
N38SH
1.22-1.26
12.2-12.6
≥899
≥11.3
≥1592
≥20
287-303
36-38
≤150
≥7.5
N40SH
1.26-1.29
12.6-12.9
≥931
≥11.7
≥1592
≥20
303-318
38-40
≤150
≥7.5
N42SH
1.29-1.32
12.9-13.2
≥963
≥12.1
≥1592
≥20
318-334
40-42
≤150
≥7.5
N44SH
1.30-1.36
13.0-13.6
≥995
≥12.3
≥1592
≥20
326-359
41-45
≤150
≥7.5
N30UH
1.08-1.14
10.8-11.4
≥812
≥10.2
≥1990
≥25
223-247
28-31
≤180
≥7.5
N33UH
1.14-1.17
11.4-11.7
≥851
≥10.7
≥1990
≥25
247-263
31-33
≤180
≥7.5
N35UH
1.17-1.22
11.7-12.2
≥875
≥11.0
≥1990
≥25
263-287
33-36
≤180
≥7.5
N38UH
1.22-1.26
12.2-12.6
≥915
≥11.5
≥1990
≥25
287-302
36-38
≤180
≥7.5
N40UH
1.26-1.32
12.6-13.2
≥939
≥11.8
≥1990
≥25
302-334
38-42
≤180
≥7.5
N30EH
1.08-1.14
10.8-11.4
≥812
≥10.2
≥2388
≥30
223-247
28-31
≤200
≥7.5
N33EH
1.14-1.17
11.4-11.7
≥851
≥10.7
≥2388
≥30
247-263
31-33
≤200
≥7.5
N35EH
1.17-1.25
11.7-12.5
≥875
≥11.0
≥2388
≥30
263-295
33-37
≤200
≥7.5
N38EH
1.22-1.29
12.2-12.9
≥907
≥11.4
≥2388
≥30
287-318
36-40
≤200
≥7.5
N30AH
1.08-1.20
10.8-12.0
≥860
≥10.8
≥2626
≥33
247-263
31-35
≤220
≥7.5
 

备注:※回复磁导率μrec-1.05,居里温度Tc=310℃。
※以上磁性参数和物理特性参数均是在室温下,样品为D10×10的测试数据。
※最大耐温依赖于磁体长径比和环境因素, 在此温度下开路磁通不可逆损失≤5% 。

 

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