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Products Permanent Magnet >> NdFeB Magnet

NdFeB Magnet

NdFeB MagnetNdFeB (Neodymium-Iron-Boron) – is the most powerful rare-earth permanent magnet, because of this, it called super magnet or strong magnet . NdFeB magnet was developed from the year of 1983 and became commercially available in 1984. Neodymium magnet have the highest Br, and BHmax of any magnet formula, 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 magnet. 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
The Nd-Fe-B permanent magnets, which are called the next centurial magnets, are used in a wide range of industries including computer, automobile, electric machinary, electro-sound devices, automatic control, magnetic force mechanism, microwave commnication, petrochemical industry, medical apparatus and equipment. The magnets are the ideal materials for the subminiature magnetic devices with high function.

 

New Product: Bonded Neodymium magnets


NdFeB magnets is especially suitable for developing those new products demanding high quality, small volume and light weight.

NdFeB Magnet properties:

Magnet
Type
Remanence (Br) HcB HcJ (B-H)max Max.Temp.
(KGs) (mT) (Koe) (KA/m) (Koe) (KA/m) (MGOe) (KJ/m3)
N35 11.7-12.2 1170-1220 ≥10.9 ≥868 ≥12 ≥955 33-36 263-287 80℃
N38 12.2-12.5 1220-1250 ≥11.3 ≥899 ≥12 ≥955 36-39 287-310 80℃
N40 12.5-12.8 1250-1280 ≥11.4 ≥907 ≥12 ≥955 38-41 302-326 80℃
N42 12.8-13.2 1280-1320 ≥11.5 ≥915 ≥12 ≥955 40-43 318-342 80℃
N45 13.2-13.8 1320-1380 ≥11.6 ≥923 ≥12 ≥955 43-46 342-366 80℃
N48 13.8-14.2 1380-1420 ≥10.5 ≥836 ≥12 ≥955 46-49 366-390 80℃
N50 14.0-14.5 1400-1450 ≥10.0 ≥796 ≥11 ≥876 48-51 382-406 60℃
N52 14.3-14.8 1430-1480 ≥10.0 ≥796 ≥11 ≥876 50-53 398-422 60℃
33M 11.3-11.7 1130-1170 ≥10.5 ≥836 ≥14 ≥1114 31-33 247-263 100℃
35M 11.7-12.2 1170-1220 ≥10.9 ≥868 ≥14 ≥1114 33-36 263-287 100℃
38M 12.2-12.5 1220-1250 ≥11.3 ≥899 ≥14 ≥1114 36-39 287-310 100℃
40M 12.5-12.8 1250-1280 ≥11.6 ≥923 ≥14 ≥1114 38-41 302-326 100℃
42M 12.8-13.2 1280-1320 ≥12.0 ≥955 ≥14 ≥1114 40-43 318-342 100℃
45M 13.2-13.8 1320-1380 ≥12.5 ≥995 ≥14 ≥1114 43-46 342-366 100℃
48M 13.6-14.3 1360-1430 ≥12.9 ≥1027 ≥14 ≥1114 46-49 366-390 100℃
50M 14.0-14.5 1400-1450 ≥13.0 ≥1033 ≥14 ≥1114 48-51 382-406 100℃
35H 11.7-12.2 1170-1220 ≥10.9 ≥868 ≥17 ≥1353 33-36 263-287 120℃
38H 12.2-12.5 1220-1250 ≥11.3 ≥899 ≥17 ≥1353 36-39 287-310 120℃
40H 12.5-12.8 1250-1280 ≥11.6 ≥923 ≥17 ≥1353 38-41 302-326 120℃
42H 12.8-13.2 1280-1320 ≥12.0 ≥955 ≥17 ≥1353 40-43 318-342 120℃
45H 13.2-13.6 1320-1360 ≥12.1 ≥963 ≥17 ≥1353 43-46 342-366 120℃
48H 13.7-14.3 1370-1430 ≥12.5 ≥995 ≥17 ≥1353 46-49 366-390 120℃
35SH 11.7-12.2 1170-1220 ≥11.0 ≥876 ≥20 ≥1592 33-36 263-287 150℃
38SH 12.2-12.5 1220-1250 ≥11.4 ≥907 ≥20 ≥1592 36-39 287-310 150℃
40SH 12.5-12.8 1250-1280 ≥11.8 ≥939 ≥20 ≥1592 38-41 302-326 150℃
42SH 12.8-13.2 1280-1320 ≥12.4 ≥987 ≥20 ≥1592 40-43 318-342 150℃
45SH 13.2-13.8 1320-1380 ≥12.6 ≥1003 ≥20 ≥1592 43-46 342-366 150℃
28UH 10.2-10.8 1020-1080 ≥9.6 ≥764 ≥25 ≥1990 26-29 207-231 180℃
30UH 10.8-11.3 1080-1130 ≥10.2 ≥812 ≥25 ≥1990 28-31 223-247 180℃
33UH 11.3-11.7 1130-1170 ≥10.7 ≥852 ≥25 ≥1990 31-34 247-271 180℃
35UH 11.8-12.2 1180-1220 ≥10.8 ≥860 ≥25 ≥1990 33-36 263-287 180℃
38UH 12.2-12.5 1220-1250 ≥11.0 ≥876 ≥25 ≥1990 36-39 287-310 180℃
40UH 12.5-12.8 1250-1280 ≥11.3 ≥899 ≥25 ≥1990 38-41 302-326 180℃
28EH 10.4-10.9 1040-1090 ≥9.8 ≥780 ≥30 ≥2388 26-29 207-231 200℃
30EH 10.8-11.3 1080-1130 ≥10.2 ≥812 ≥30 ≥2388 28-31 223-247 200℃
33EH 11.3-11.7 1130-1170 ≥10.5 ≥836 ≥30 ≥2388 31-34 247-271 200℃
35EH 11.7-12.2 1170-1220 ≥11.0 ≥876 ≥30 ≥2388 33-36 263-287 200℃
38EH 12.2-12.5 1220-1250 ≥11.3 ≥899 ≥30 ≥2388 36-39 287-310 200℃
28AH 10.4-10.9 1040-1090 ≥9.9 ≥787 ≥33 ≥2642 26-29 207-231 230℃
30AH 10.8-11.3 1080-1130 ≥10.3 ≥819 ≥33 ≥2642 28-31 223-247 230℃
33AH 11.3-11.7 1130-1170 ≥10.6 ≥843 ≥33 ≥2642 31-34 247-271 230℃

Related NdFeB Magnet Keywords:

Permanent Sintered NdFeB Magnet

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