Neodymium magnet(also known as NdFeB or Neo magnet), the most widly used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to the form Nd2Fe14B strusture. These magnets are widly used in many applications in modern products, such as motors in cordless tools, hard disk drives, magnetic fasterners, MRI, servo motors, lifting and compressor motors, actuators etc.
N45 Block NdFeB Magnet with black epoxy coating
Material: Nd-Fe-B
Grade: Full N30-N50, include N, SH, UH, EH series
Coating: NICUNI, Znic, Nickel-Cooper, Copper, Epoxy...
Magnetized direction: By thickness
Delivery: 10-15days
Application: Sensors, motors, rotors, wind turbines, lounderspeakers, magnetic hooks, pump machine etc.
MAGNETIC AND PHYSICAL CHARACTERISTICS (NdFeB) |
No. |
TYPE |
Remanence Br |
Coercive-force bHc |
Intrinsic coercive force iHc |
Max. energy product (BH) max |
Working Temperature |
KGs |
T |
KOe |
KA/m |
KOe |
KA/m |
MGOe |
KJ/m³ |
0 C |
1 |
N-35 |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
≥12 |
≥955 |
33-35 |
263-279 |
≤80 |
2 |
N-36 |
11.9-12.2 |
1.19-1.22 |
10.8-11.5 |
860-915 |
≥12 |
≥955 |
34-36 |
271-287 |
≤80 |
3 |
N-38 |
12.2-12.6 |
1.22-1.26 |
10.8-11.5 |
860-915 |
≥12 |
≥955 |
36-38 |
287-303 |
≤80 |
4 |
N-40 |
12.6-12.9 |
1.26-1.29 |
10.5-11.0 |
836-876 |
≥12 |
≥955 |
38-40 |
303-318 |
≤80 |
5 |
N-42 |
12.9-13.2 |
1.29-1.32 |
10.5-11.0 |
836-876 |
≥12 |
≥955 |
40-42 |
318-334 |
≤80 |
6 |
N-43 |
13.0-13.3 |
1.30-1.33 |
10.5-11.0 |
836-876 |
≥12 |
≥955 |
41-43 |
326-342 |
≤80 |
7 |
N-45 |
13.3-13.7 |
1.33-1.37 |
10.5-11.0 |
836-876 |
≥12 |
≥955 |
43-45 |
342-358 |
≤80 |
8 |
N-48 |
13.6- 14.2 |
1.36 1.42 |
926 11.6 |
876 11.0 |
≥12 |
≥955 |
45-48 |
358-382 |
≤80 |
9 |
N-50 |
14.1-14.5 |
1.41-1.45 |
11-11.4 |
828-907 |
≥11 |
≥876 |
48-50 |
382-398 |
≤70 |
10 |
N-52 |
14.4-14.8 |
1.44-1.48 |
10.5-11.4 |
828-907 |
≥11 |
≥876 |
49.5-52 |
394-414 |
≤70 |
11 |
N-35M |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
≥15 |
≥1194 |
33-35 |
263-279 |
≤100 |
12 |
N-36M |
11.9-12.2 |
1.19-1.22 |
11.1-11.6 |
884-923 |
≥15 |
≥1194 |
34-36 |
271-287 |
≤100 |
13 |
N-38M |
12.2-12.6 |
1.22-1.26 |
10.8-11.5 |
860-915 |
≥14 |
≥1114 |
36-38 |
287-303 |
≤100 |
14 |
N-40M |
12.6-12.9 |
1.26-1.29 |
10.8-11.5 |
860-915 |
≥14 |
≥1114 |
38-40 |
303-318 |
≤100 |
15 |
N-42M |
12.9-13.2 |
1.29-1.32 |
10.8-11.4 |
860-907 |
≥14 |
≥1114 |
40-42 |
318-334 |
≤100 |
16 |
N45M |
13.3-13.7 |
1.33-1.37 |
10.8-11.4 |
860-907 |
≥17 |
≥1114 |
43-45 |
334-358 |
≤100 |
17 |
N48M |
13.6-14.2 |
1.36-1.42 |
11.4-12 |
907-905 |
≥14 |
≥1114 |
45-48 |
358-382 |
≤100 |
18 |
N-30H |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
≥17 |
≥1353 |
28-30 |
223-239 |
≤120 |
19 |
N-33H |
11.4-11.7 |
1.14-1.17 |
10.6-11.1 |
844-884 |
≥17 |
≥1353 |
31-33 |
247-263 |
≤120 |
20 |
N-35H |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
≥17 |
≥1353 |
33-35 |
263-279 |
≤120 |
21 |
N-36H |
11.9-12.2 |
1.19-1.22 |
11.1-11.6 |
884-923 |
≥17 |
≥1353 |
34-36 |
271-287 |
≤120 |
22 |
N-38H |
12.2-12.6 |
1.22-1.26 |
11.5-12.0 |
915-955 |
≥17 |
≥1353 |
36-38 |
287-303 |
≤120 |
23 |
N-40H |
12.6-12.9 |
1.26-1.29 |
11.5-12.0 |
915-955 |
≥17 |
≥1353 |
38-40 |
303-318 |
≤120 |
24 |
N-42H |
12.9-13.2 |
1.29-1.32 |
11.5-12.0 |
915-955 |
≥17 |
≥1353 |
40-42 |
318-334 |
≤120 |
25 |
N-44H |
13.3-13.6 |
1.33-1.36 |
11.4-11.9 |
907-947 |
≥16 |
≥1274 |
42-44 |
334-350 |
≤110 |
26 |
N-30SH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
≥20 |
≥1592 |
28-30 |
223-239 |
≤150 |
27 |
N-33SH |
11.4-11.7 |
11.4-11.7 |
10.6-11.1 |
844-884 |
≥20 |
≥1592 |
31-33 |
247-263 |
≤150 |
28 |
N-35SH |
11.7-12.1 |
1.17-1.21 |
10.8-11.5 |
860-915 |
≥20 |
≥1592 |
33-35 |
263-279 |
≤150 |
29 |
N-38SH |
12.1-12.5 |
1.21-1.25 |
10.8-11.5 |
860-915 |
≥20 |
≥1592 |
36-38 |
287-302 |
≤150 |
30 |
N-40SH |
12.6-12.9 |
1.26-1.29 |
10.8-11.5 |
860-915 |
≥20 |
≥1592 |
38-40 |
303-318 |
≤150 |
31 |
N-42SH |
13-13.3 |
1.30-1.33 |
11.4-11.9 |
907-947 |
≥19 |
≥1512 |
40-42 |
318-314 |
≤140 |
32 |
N28UH |
10.4-10.8 |
1.04-1.08 |
9.8-10.2 |
780-812 |
≥25 |
≥1990 |
26-28 |
207-223 |
≤180 |
33 |
N30UH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
≥25 |
≥1990 |
28-30 |
223-239 |
≤180 |
34 |
N35UH |
11.7-12.1 |
1.17-1.21 |
10.5-11.2 |
836-890 |
≥25 |
≥1990 |
33-35 |
263-278 |
≤180 |
35 |
N38UH |
12.2-12.6 |
1.22-1.26 |
11.4-11.9 |
907-947 |
≥25 |
≥1990 |
36-38 |
287-303 |
≤180 |
36 |
N28EH |
10.4-10.8 |
1.04-1.08 |
9.8-10.2 |
780-812 |
≥30 |
≥2388 |
26-28 |
207-223 |
≤200 |
37 |
N30EH |
10.8-11.2 |
1.08-1.12 |
10.1-10.6 |
804-844 |
≥30 |
≥2388 |
28-30 |
223-239 |
≤200 |
38 |
N33EH |
11.4-11.7 |
1.14-1.17 |
10.3-11.0 |
820-876 |
≥30 |
≥2388 |
31-33 |
247-263 |
≤200 |
39 |
N35EH |
11.7-12.1 |
1.17-1.21 |
10.8-11.4 |
860-907 |
≥30 |
≥2388 |
33-35 |
263-279 |
≤200 |
|
Remark: The above mentioned data of magnetic and physical characteristics are given at room temperature |