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NdFeB
magnets -The Strongest Permanent Magnets Today
NdFeB(Neodymium-Iron-Boron)
magnet is used most popular by people in industry and our daily life,
because it has superior magnetic properties than other kind of magnets.
The outstanding characteristics are as follows--------
¡¤Higher unit magnetic properties than other magnet and assure you of smaller
size and lighter weight in designing devices.
¡¤Being mostly an iron based alloy, NdFeB type rare earth magnet is much
more prone to surface oxidation or rust. To eliminate such a problem,
the user should consider magnet coating, plating, or suitable surface
treatment.
¡¤Being less prone to chipping during handing
¡¤Lower temperature coefficient of magnetic properties than ceramic but
higher than SmCo type rare earth magnet. Therefore, this NdFeB type rare
earth magnet will suffer irreversible loss at high temperature.
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Surface Treatment
Method:
Metallic: Zinc,Nickel,Nickel+Nickel,Copper+Nickel,Nickel+Copper+Nickel,Gold
Organic: Epoxy,Nickel+Epoxy coating
Temporary: Surface Pssivation
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Magnetization Way:
  
   
Sintered NdFeB Magnets
MAGNETIC AND PHYSICAL CHARACTERISTICS:
TYPE |
Remanence
Br |
Coercivforce
bHc |
Intrinsic
coercive force iHc |
Max.
energy product (BH) max |
Working
Temperature |
KGs |
T |
KOe |
KA/m |
KOe |
KA/m |
MGOe |
KJ/m3 |
0C |
3
N-35 |
11.7-12.1 |
1.77-12.1 |
10.8-11.5 |
860-915 |
=12 |
=955 |
33-35 |
263-279 |
=80 |
4
N-36 |
11.9-12.2 |
1.19-1.22 |
11.0-11.4 |
876-907 |
=12 |
=955 |
34-36 |
271-287 |
=80 |
5
N-38 |
12.4-12.6 |
1.24-1.26 |
11.4-11.5 |
907-915 |
=12 |
=955 |
37-38 |
295-303 |
=80 |
6
N-40 |
12.7-12.9 |
1.27-1.29 |
10.5-11.0 |
915-923 |
=12 |
=955 |
39-40 |
310-318 |
=80 |
7
N-42 |
13.0-13.3 |
1.30-1.33 |
10.0-10.5 |
796-836 |
=12 |
=955 |
40-42 |
318-334 |
=80 |
8
N-43 |
13.0-13.3 |
1.30-1.33 |
10.5-11.0 |
836-876 |
=12 |
=955 |
41-43 |
326-342 |
=80 |
9
N-45 |
13.3-13.7 |
1.33-1.37 |
10.5-11.0 |
836-876 |
=12 |
=965 |
43-45 |
358-342 |
=80 |
10
N-48 |
13.7-14.0 |
1.37-1.40 |
10.5-11.0 |
836-876 |
=12 |
=965 |
47-51 |
374-390 |
=80 |
11
N-50 |
14.0-14.6 |
1.40-1.46 |
10.5-11.0 |
836-876 |
=12 |
=965 |
47-51 |
358-390 |
=80 |
12
N-27M |
10.2-10.6 |
1.02-1.06 |
9.6-10.1 |
764-804 |
=15 |
=1194 |
25-27 |
199-215 |
=100 |
13
N-30M |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
=15 |
=1194 |
28-30 |
223-239 |
=100 |
14
N-33M |
11.4-11.7 |
1.14-1.17 |
10.5-11.1 |
844-884 |
=15 |
=1194 |
31-33 |
247-263 |
=100 |
15
N-35M |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
=15 |
=1114 |
33-35 |
263-279 |
=100 |
16
N-36M |
11.9-12.2 |
1.19-1.22 |
11.1-11.6 |
884-923 |
=15 |
=1194 |
34-36 |
271-287 |
=100 |
17
N-38M |
12.2-12.6 |
1.22-1.26 |
10.8-11.5 |
860-915 |
=14 |
=1114 |
36-38 |
287-303 |
=100 |
18
N-40M |
12.6-12.9 |
1.26-1.29 |
10.8-11.5 |
860-915 |
=14 |
=1114 |
38-40 |
303-318 |
=100 |
19
N-42M |
13.0-13.3 |
1.30-1.33 |
10.8-11.4 |
860-907 |
=14 |
=1114 |
40-42 |
318-334 |
=100 |
20
N45M |
13.3-13.7 |
1.33-1.37 |
10.8-11.4 |
860-907 |
=17 |
=1114 |
43-45 |
334-358 |
=100 |
21
N-27H |
10.2-10.6 |
1.02-1.06 |
9.6-10.1 |
764-804 |
=17 |
=1353 |
25-27 |
199-215 |
=120 |
22N-30H |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
=17 |
=1353 |
8-30 |
223-239 |
=120 |
23
N-33H |
11.4-11.7 |
1.14-1.17 |
10.6-11.1 |
844-884 |
=17 |
=1353 |
31-33 |
247-263 |
=120 |
24
N-35H |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
=17 |
=1353 |
33-35 |
263-279 |
=120 |
25
N-36H |
11.9-12.2 |
1.19-1.22 |
11.1-11.6 |
884-923 |
=17 |
=1353 |
34-36 |
271-287 |
=120 |
26
N-38H |
12.2-12.6 |
1.22-1.26 |
11.5-12.0 |
915-955 |
=17 |
=1353 |
30-36 |
287-303 |
=120 |
27
N-40H |
12.6-12.9 |
1.26-1.29 |
11.5-12.0 |
915-955 |
=17 |
=1353 |
38-40 |
303-318 |
=120 |
28N-27SH |
10.2-10.6 |
1.02-1.06 |
9.6-10.1 |
764-804 |
=20 |
=1592 |
25-27 |
199-215 |
=150 |
29N-30SH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
=20 |
=1592 |
28-30 |
223-239 |
=150 |
30N-33SH |
11.4-11.7 |
11.4-11.7 |
10.6-11.1 |
844-884 |
=20 |
=1592 |
31-33 |
247-263 |
=150 |
31N-35SH |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
=20 |
=1595 |
33-35 |
263-279 |
=150 |
32N-38SH |
12.1-12.5 |
1.21-1.25 |
10.8-11.5 |
860-915 |
=20 |
=1592 |
36-38 |
287-302 |
=150 |
31N25UH |
9.8-10.2 |
0.98-1.02 |
9.2-9.6 |
732-764 |
=25 |
=1990 |
23-25 |
183-199 |
=180 |
32N28UH |
10.4-10.8 |
1.04-1.08 |
9.8-10.2 |
780-812 |
=25 |
=1990 |
26-28 |
207-223 |
=180 |
33N30UH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
=25 |
=1990 |
28-30 |
223-239 |
=180 |
34N35UH |
11.7-12.1 |
1.17-1.21 |
10.5-11.2 |
836-890 |
=25 |
=1989 |
33-35 |
263-278 |
=180 |
35N38UH |
12.2-12.6 |
1.22-1.26 |
11.7-12.0 |
930-955 |
=25 |
=1989 |
33-38 |
280-302 |
=180 |
36N30EH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
=30 |
=2229 |
28-30 |
223-239 |
=200 |
37N33EH |
11.4-11.7 |
1.14-1.17 |
10.4-11.0 |
844-876 |
=30 |
=2229 |
30-33 |
247-263 |
=200 |
38N35EH |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
=30 |
=2229 |
33-35 |
263-279 |
=200 |
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