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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
CHARACTERISTICSSTANDARDS.
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 |
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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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