NdFeB magnets are widely used in many fields such as audio instruments, meters, motors, aviation, electronics, instruments, medical instruments and the like, especially suitable for the development of high-performance, compact and light products.
Magnetic Properties of NdFeB Magnets |
|
Grade |
Br |
Hcb |
Hcj |
(BH)max |
Working temperature |
T |
KGs |
KA/m |
KOe |
KA/m |
KOe |
KJ/m3 |
MGOe |
°C |
N35 |
1.17-1.21 |
11.7-12.1 |
876-899 |
11.0-11.3 |
≥955 |
≥12 |
263-279 |
33-35 |
≤80 |
N38 |
1.22-1.26 |
12.2-12.6 |
876-923 |
11.0-11.6 |
≥955 |
≥12 |
287-303 |
36-38 |
≤80 |
N40 |
1.26-1.29 |
12.6-12.9 |
876-923 |
11.0-11.6 |
≥955 |
≥12 |
303-318 |
38-40 |
≤80 |
N42 |
1.30-1.33 |
13.0-13.3 |
876-926 |
11.0-11.6 |
≥955 |
≥12 |
318-334 |
40-42 |
≤80 |
N45 |
1.33-1.37 |
13.3-13.7 |
876-926 |
11.0-11.6 |
≥955 |
≥12 |
342-358 |
43-45 |
≤80 |
N48 |
1.36-1.42 |
13.6-14.2 |
876-926 |
11.0-11.6 |
≥955 |
≥12 |
358-382 |
45-48 |
≤80 |
N50 |
1.41-1.45 |
14.1-14.5 |
828-907 |
10.4-11.4 |
≥876 |
≥11 |
382-398 |
48-50 |
≤70 |
N52 |
1.44-1.48 |
14.4-14.8 |
828-907 |
10.4-11.4 |
≥876 |
≥11 |
394-414 |
49.5-52 |
≤70 |
N35M |
1.17-1.21 |
11.7-12.1 |
892-915 |
11.2-11.5 |
≥1114 |
≥14 |
263-279 |
33-35 |
≤100 |
N38M |
1.22-1.26 |
12.2-12.6 |
907-931 |
11.4-11.7 |
≥1114 |
≥14 |
287-303 |
36-38 |
≤100 |
N40M |
1.26-1.29 |
12.6-12.9 |
907-947 |
11.4-11.9 |
≥1114 |
≥14 |
303-318 |
38-40 |
≤100 |
N42M |
1.30-1.33 |
13.0-13.3 |
907-947 |
11.4-11.9 |
≥1114 |
≥14 |
318-334 |
40-42 |
≤100 |
N45M |
1.33-1.37 |
13.3-13.7 |
907-955 |
11.4-12.0 |
≥1114 |
≥14 |
334-358 |
42-45 |
≤100 |
N48M |
1.36-1.42 |
13.6-14.2 |
907-955 |
11.4-12.0 |
≥1114 |
≥14 |
358-382 |
45-48 |
≤100 |
N50M |
1.41-1.45 |
14.1-14.5 |
907-971 |
11.4-12.2 |
≥1114 |
≥14 |
382-398 |
48-50 |
≤100 |
N33H |
1.14-1.17 |
11.4-11.7 |
820-876 |
10.3-11.0 |
≥1353 |
≥17 |
247-263 |
31-33 |
≤120 |
N35H |
1.17-1.21 |
11.7-12.1 |
860-907 |
10.8-11.4 |
≥1353 |
≥17 |
263-279 |
33-35 |
≤120 |
N38H |
1.22-1.26 |
12.2-12.6 |
907-947 |
11.4-11.9 |
≥1353 |
≥17 |
287-303 |
36-38 |
≤120 |
N40H |
1.26-1.29 |
12.6-12.9 |
907-947 |
11.4-11.9 |
≥1353 |
≥17 |
303-318 |
38-40 |
≤120 |
N42H |
1.30-1.33 |
13.0-13.3 |
907-947 |
11.4-11.9 |
≥1353 |
≥17 |
318-334 |
40-42 |
≤120 |
N45H |
1.33-1.37 |
13.3-13.7 |
907-947 |
11.4-11.9 |
≥1353 |
≥17 |
342-358 |
43-45 |
≤120 |
N48H |
1.36-1.42 |
13.6-14.2 |
907-971 |
11.4-12.2 |
≥1274 |
≥16 |
358-382 |
45-48 |
≤110 |
N30SH |
1.08-1.12 |
10.8-11.2 |
804-844 |
10.1-10.6 |
≥1592 |
≥20 |
223-239 |
28-30 |
≤150 |
N33SH |
1.14-1.17 |
11.4-11.7 |
820-876 |
10.3-11.0 |
≥1592 |
≥20 |
247-263 |
31-33 |
≤150 |
N35SH |
1.17-1.21 |
11.7-12.1 |
860-907 |
10.8-11.4 |
≥1592 |
≥20 |
263-279 |
33-35 |
≤150 |
N38SH |
1.22-1.26 |
12.2-12.6 |
907-947 |
11.4-11.9 |
≥1592 |
≥20 |
287-303 |
36-38 |
≤150 |
N40SH |
1.26-1.29 |
12.6-12.9 |
907-947 |
11.4-11.9 |
≥1592 |
≥20 |
303-318 |
38-40 |
≤150 |
N42SH |
1.30-1.33 |
13.0-13.3 |
907-947 |
11.4-11.9 |
≥1592 |
≥20 |
318-334 |
40-42 |
≤150 |
N45SH |
1.33-1.37 |
13.3-13.7 |
907-947 |
11.4-11.9 |
≥1512 |
≥19 |
342-358 |
43-45 |
≤140 |
N28UH |
1.04-1.08 |
10.4-10.8 |
780-812 |
9.8-10.2 |
≥1990 |
≥25 |
207-223 |
26-28 |
≤180 |
N30UH |
1.08-1.12 |
10.8-11.2 |
804-844 |
10.1-10.6 |
≥1990 |
≥25 |
223-239 |
28-30 |
≤180 |
N33UH |
1.14-1.17 |
11.4-11.7 |
820-876 |
10.3-11.0 |
≥1990 |
≥25 |
247-263 |
31-33 |
≤180 |
N35UH |
1.17-1.21 |
11.7-12.1 |
860-907 |
10.8-11.4 |
≥1990 |
≥25 |
263-279 |
33-35 |
≤180 |
N38UH |
1.22-1.26 |
12.2-12.6 |
907-947 |
11.4-11.9 |
≥1990 |
≥25 |
287-303 |
36-38 |
≤180 |
N40UH |
1.26-1.29 |
12.6-12.9 |
907-947 |
11.4-11.9 |
≥1990 |
≥25 |
303-318 |
38-40 |
≤180 |
N28EH |
1.04-1.08 |
10.4-10.8 |
780-812 |
9.8-10.2 |
≥2388 |
≥30 |
207-223 |
26-28 |
≤200 |
N30EH |
1.08-1.12 |
10.8-11.2 |
804-844 |
10.1-10.6 |
≥2388 |
≥30 |
223-239 |
28-30 |
≤200 |
N33EH |
1.14-1.17 |
11.4-11.7 |
820-876 |
10.3-11.0 |
≥2388 |
≥30 |
247-263 |
31-33 |
≤200 |
N35EH |
1.17-1.21 |
11.7-12.1 |
860-907 |
10.8-11.4 |
≥2388 |
≥30 |
263-279 |
33-35 |
≤200 |
N38EH |
1.22-1.26 |
12.2-12.6 |
860-907 |
10.8-11.4 |
≥2388 |
≥30 |
287-303 |
36-38 |
≤200 |
N30AH |
1.08-1.12 |
10.8-11.2 |
804-844 |
10.1-10.6 |
≥2786 |
≥35 |
223-239 |
28-30 |
≤240 |
|
|
Note: Working temperature is tested under 20°C±2°C, the inevitable loss of magnetic force is no more than 5%. |
Typical physical properties |
Parameter |
Unit |
Standard Data |
Curie Temperature |
°C |
310-380 |
Maximum Operating Temperature |
°C |
80-200 |
Hardness |
Hv |
620 |
Electrical Resistivity |
W.cm |
1.8x10-4-2.0x10-4 |
Density |
g/cm3 |
7.50-7.65 |
Recoil Permeability |
|
1.05 |
Magnetization Field Strength |
Koe |
≥30 |
KA/m |
≥2400 |
Bending Strength |
Mpa |
295-345 |
Temp.Coefficient of Br |
%/°C |
-0.11~-0.12 |
Temp.Coefficient of Hcj |
%/°C |
-0.5~-0.7 |
|
Ningbo Yate Magnetics Co., Ltd has been a world renowned supplier over so many years dedicating endeavour in Magnet business scope. Our Magnetic Separators are widely used in a whole range of industries, like food, pharmaceutical, chemical and so on. We have built our business on giving an excellent service, supplying high quality magnetic separators and magnetic systems at a reasonable price and with first class delivery.
We are always expecting to cooperate with you basic on integrity, equal and enthusiasm. Your trust is the best and highest reward to our team.
Our Products in details:
Magnetic separator: Magnetic bar, Magnetic grate, Magnetic drawer, Magnetic rotary separator, Magnetic liquid traps, Plate magnet, Magnetic chute, Hump magnet, Bullet magnet, Magnetic drum separator, Magnetic pulley etc.
Magnetic holder: NdFeB pot magnet, Channel magnet, Button magnets, Hook magnets, Holding magnet.
Magnetic tools: Magnetic sweepers, Welding magnets, Magnetic tool bar, Magnetic probe, Lifting magnets, Magnetic chucks, Fuel saver etc.
Magnet: NdFeB ( neodymium), SmCo ( Samarium cobalt magnet ), AlNiCo, Ferrite ( Ceramic magnets ).