Various Size Sintered NdFeB Ring Magnets
Ring Magnets Product Description:
1. Materials: Ne-Fe-B
2. Shape: Various as you wish
3. Certificate: ISO/TSI6949: 2009
Ring Magnets Specifications:
A. Materials: Neodymium-Ferrum-Boron;
B. Grades: N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH, and 28AH-33AHB.
C. Coating: Various coatings to protect the magnets, such as Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;
D. Shape: Block, Ring, Disc, Cylinder, Arc(Segment), Half Ring, and Customized Design (Design proper magnets for clients specific requirements);
E. Size: Customized size per your requirements, largest block length of 150mm, biggest ring of D220mm, smallest thickness of 0.5mm
F. Performance: High coercive force (Hcb) can reach 9.7kOe (772KA/M), the max operation temp (Tw) is up to 230 degree centigrade or 380 curie temperature;
G. Applications: Magnet Separators, Sensors, Motors, Rotors, Wind turbines, Wind generators, Loudspeakers, Magnetic hooks, Magnetic holder, Filters Automobiles Magnetic jewelries, toys, magnetic buttons, Magnetic therapy and so on;
Ring Magnets Directions of magnetization:
A. Thickness Magnetized
B. Axially Magnetized
C. Diametrally Magnetized
D. Multi-poles magnetized
E. Radial Magnetized
F. Customzied specific requirements magnetized
Item |
Grade |
Remanence;Br |
Coercive Force;bHc |
Intrisic Coercive Force;iHc |
Max Energy Product;(BH)max |
Working
Temp.
|
kGs |
T |
kOe |
KA/m |
kOe |
KA/m |
MGOe |
KJ/m3 |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
N |
N54 |
15.1 |
14.5 |
1.51 |
1.45 |
≥10.5 |
≥836 |
≥11 |
≥876 |
55 |
51 |
438 |
406 |
≤80 |
N52 |
14.8 |
14.2 |
1.48 |
1.42 |
≥10.5 |
≥836 |
≥11 |
≥876 |
53 |
49 |
422 |
390 |
≤80 |
N50 |
14.5 |
14.0 |
1.45 |
1.40 |
≥11.0 |
≥876 |
≥12 |
≥955 |
51 |
47 |
406 |
374 |
≤80 |
N48 |
14.3 |
13.7 |
1.43 |
1.37 |
≥11.0 |
≥876 |
≥12 |
≥955 |
49 |
45 |
390 |
358 |
≤80 |
N45 |
13.8 |
13.2 |
1.38 |
1.32 |
≥11.0 |
≥876 |
≥12 |
≥955 |
46 |
42 |
366 |
334 |
≤80 |
N42 |
13.5 |
12.9 |
1.35 |
1.29 |
≥11.0 |
≥876 |
≥12 |
≥955 |
44 |
40 |
350 |
318 |
≤80 |
N40 |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.0 |
≥876 |
≥12 |
≥955 |
41 |
38 |
334 |
302 |
≤80 |
N38 |
13.0 |
12.2 |
1.30 |
1.22 |
≥11.0 |
≥876 |
≥12 |
≥955 |
40 |
36 |
318 |
287 |
≤80 |
N35 |
12.2 |
11.7 |
1.22 |
1.17 |
≥10.9 |
≥868 |
≥12 |
≥955 |
36 |
33 |
287 |
263 |
≤80 |
M |
N52M |
14.8 |
14.2 |
1.48 |
1.42 |
≥13.3 |
≥1059 |
≥14 |
≥1114 |
43 |
49 |
422 |
390 |
≤100 |
N50M |
14.5 |
14.0 |
1.45 |
1.40 |
≥13.1 |
≥1043 |
≥14 |
≥1114 |
41 |
47 |
406 |
374 |
≤100 |
N48M |
14.3 |
13.7 |
1.43 |
1.37 |
≥12.8 |
≥1019 |
≥14 |
≥1114 |
49 |
45 |
390 |
358 |
≤100 |
N45M |
13.8 |
13.2 |
1.38 |
1.32 |
≥12.4 |
≥987 |
≥14 |
≥1114 |
46 |
42 |
366 |
334 |
≤100 |
N42M |
13.5 |
12.9 |
1.35 |
1.29 |
≥12.1 |
≥963 |
≥14 |
≥1114 |
44 |
40 |
350 |
318 |
≤100 |
N40M |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥14 |
≥1114 |
41 |
38 |
334 |
302 |
≤100 |
N38M |
13.0 |
12.2 |
1.30 |
1.22 |
≥11.7 |
≥915 |
≥14 |
≥1114 |
40 |
36 |
318 |
287 |
≤100 |
N35M |
12.2 |
11.7 |
1.22 |
1.17 |
≥10.9 |
≥868 |
≥14 |
≥1114 |
36 |
33 |
287 |
263 |
≤100 |
H |
N50H |
14.5 |
14.0 |
1.45 |
1.40 |
≥12.9 |
≥1027 |
≥16 |
≥1274 |
51 |
47 |
406 |
374 |
≤120 |
N48H |
14.3 |
13.7 |
1.43 |
1.37 |
≥12.7 |
≥1011 |
≥16 |
≥1274 |
49 |
45 |
390 |
358 |
≤120 |
N46H |
14.0 |
13.4 |
1.40 |
1.34 |
≥12.5 |
≥995 |
≥17 |
≥1353 |
47 |
43 |
374 |
342 |
≤120 |
N44H |
13.7 |
13.1 |
1.37 |
1.31 |
≥12.3 |
≥979 |
≥17 |
≥1353 |
45 |
41 |
358 |
326 |
≤120 |
N42H |
13.5 |
12.9 |
1.35 |
1.29 |
≥12.1 |
≥963 |
≥17 |
≥1353 |
44 |
40 |
350 |
318 |
≤120 |
N40H |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥17 |
≥1353 |
42 |
38 |
334 |
302 |
≤120 |
N38H |
13.0 |
12.2 |
1.30 |
1.22 |
≥11.5 |
≥915 |
≥17 |
≥1353 |
40 |
36 |
318 |
287 |
≤120 |
N35H |
12.4 |
11.7 |
1.24 |
1.17 |
≥11.0 |
≥876 |
≥17 |
≥1353 |
37 |
33 |
295 |
263 |
≤120 |
N33H |
11.7 |
11.3 |
1.17 |
1.13 |
≥10.5 |
≥836 |
≥17 |
≥1353 |
34 |
31 |
271 |
247 |
≤120 |
SH |
N45SH |
14.0 |
13.4 |
1.40 |
1.34 |
≥12.5 |
≥995 |
≥20 |
≥1592 |
47 |
43 |
374 |
342 |
≤150 |
N44SH |
13.7 |
13.1 |
1.37 |
1.31 |
≥12.3 |
≥979 |
≥20 |
≥1592 |
45 |
41 |
358 |
326 |
≤150 |
N42SH |
13.5 |
12.9 |
1.35 |
1.29 |
≥12.1 |
≥963 |
≥20 |
≥1592 |
44 |
40 |
350 |
318 |
≤150 |
N40SH |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥20 |
≥1592 |
42 |
38 |
334 |
302 |
≤150 |
N38SH |
12.9 |
12.2 |
1.29 |
1.22 |
≥11.5 |
≥915 |
≥20 |
≥1592 |
40 |
36 |
318 |
287 |
≤150 |
N35SH |
12.4 |
11.7 |
1.24 |
1.17 |
≥11.0 |
≥876 |
≥20 |
≥1592 |
37 |
33 |
295 |
263 |
≤150 |
N33SH |
12.1 |
11.4 |
1.21 |
1.14 |
≥10.7 |
≥852 |
≥20 |
≥1592 |
35 |
31 |
279 |
247 |
≤150 |
UH |
N42UH |
13.5 |
12.9 |
1.35 |
1.29 |
≥12.1 |
≥963 |
≥25 |
≥1990 |
44 |
40 |
350 |
318 |
≤180 |
N40UH |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥25 |
≥1990 |
42 |
38 |
334 |
302 |
≤180 |
N38UH |
12.9 |
12.2 |
1.29 |
1.22 |
≥11.5 |
≥915 |
≥25 |
≥1990 |
40 |
36 |
318 |
287 |
≤180 |
N35UH |
12.4 |
11.7 |
1.24 |
1.17 |
≥11.0 |
≥876 |
≥25 |
≥1990 |
37 |
33 |
295 |
263 |
≤180 |
N33UH |
12.1 |
11.4 |
1.21 |
1.14 |
≥10.7 |
≥852 |
≥25 |
≥1990 |
35 |
31 |
279 |
247 |
≤180 |
N30UH |
11.6 |
10.8 |
1.16 |
1.08 |
≥10.2 |
≥812 |
≥25 |
≥1990 |
32 |
28 |
255 |
223 |
≤180 |
EH |
N38EH |
12.9 |
12.2 |
1.29 |
1.22 |
≥11.5 |
≥915 |
≥30 |
≥2388 |
40 |
36 |
318 |
287 |
≤200 |
N35EH |
12.4 |
11.7 |
1.24 |
1.17 |
≥11.0 |
≥876 |
≥30 |
≥2388 |
37 |
33 |
295 |
263 |
≤200 |
N33EH |
12.1 |
11.4 |
1.21 |
1.14 |
≥10.7 |
≥851 |
≥30 |
≥2388 |
35 |
31 |
279 |
247 |
≤200 |
N30EH |
11.5 |
10.8 |
1.15 |
1.08 |
≥10.2 |
≥812 |
≥30 |
≥2388 |
32 |
28 |
255 |
223 |
≤200 |
AH |
N33AH |
12.1 |
11.4 |
1.21 |
1.14 |
≥10.7 |
≥852 |
≥35 |
≥2786 |
35 |
31 |
279 |
247 |
≤230 |
N30AH |
11.5 |
10.8 |
1.15 |
1.08 |
≥10.2 |
≥812 |
≥35 |
≥2786 |
32 |
28 |
255 |
223 |
≤230 |
N28AH |
11.2 |
10.4 |
1.12 |
1.04 |
≥9.70 |
≥772 |
≥35 |
≥2786 |
30 |
26 |
239 |
207 |
≤230 |