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    ????????? 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.

 
???
Grade
???
 Remanence induction
??????
Coercive force
??????????
 Intrinsic Coercive force
???????
maximum Energy product
???????
Temperature
???
Density
Br
Hcb
Hcj
(BH)max
????Pc??0.7
??
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
 

????????????????rec-1.05,???????Tc=310?档
?????????????????????????????????????,????D10??10??????????
?????????????????峤????????????, ?????????·??????????????5% ??

 

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