Neodymium/NdFeB Magnets

Produced by: NingBo BeiLun Meank Magnetics Co.,ltd.

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Neodymium-iron-boron magnets short asNdFeB magnets,NIB magnets,neo magnetsor neodymium magnets. Following called as NdFeB magnets or neodymium magnets.As a kind of rare earth magnets, neodymium magnets were developed from the year of 1983 , it is the most powerful rare-earth permanent magnet so far, and it sometimes called as super strong magnets. Neodymium magnets have the higher Br, and BH（max） than any other magnet formula. It has superior magnetic properties than all other magnetic materials , so widely used in industry production and daily life.

The outstanding characteristics for neodymium magnets are as follows--------

Higher magnetic properties than other magnets which realize the smallest size and lightest weight in designing devices. As a real powerful magnets,have strongest magnetic force.
Being mostly an iron based alloy, which make it easy to be oxidation or rust. To eliminate such a problem, the user should consider 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 are the next century magnets, that used in a wide range of industries including computer, automobile, electric machinary, electri-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.

NdFeB magnets is made from alloys of rare earth elements, such as neodymium,oxide iron, boron,.. It’s the latest result of the development of rare-earth permanent magnetic materials. Because of its excellent performance and super strong magnetic force, it called as king magnets. NdFeB magnets with the highest maximum energy, make the instruments and meters，permanent magnetic electrical machinery，magnetic separator more smaller, more lighter and more thinner .It is used when small size and maximum magnetic power needed.NdFeB permanent magnets can be divided into bonded NdFeB magnets and sintered NdFeB magnets according to the processing methods. Bonded neodymium magnets is shaped by injecting，sintered neodymium magnets shaped by pressing and sintered in vacuum condition.Sintered neodymium magnets are high performance magnets and are also the strongest permanent magnets so far. It can be machined into different shapes, such as neodymium ring magnets, neodymium disc magnets, neodymium block magnets, neodymium cylinder magnets, neodymium countersunk magnets, neodymium cone magnets, neodymium segment/arc magnets and neodymium sphere magnets (magnetic balls).Meank magnetics has very strong processing ability,we produce more and more irregular shapes. Please not hesitate to send us magnets inquiry and magnets order. We’ll be your perfect neodymium magnets producer.

MagnetType(Grade)	Remanence (Br)		HcB		HcJ		(B-H)max		Max.Temp.
MagnetType(Grade)	(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	80℃
N52	14.3-14.8	1430-1480	≥10.0	≥796	≥11	≥876	50-53	398-422	60℃
N54	14.5-15.1	1450-1510	≥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℃

Note:●The above mentioned magnetic performance dates are all given under room temperature.●The above mentioned maximum working temperature of neodymium magnets is changeable due to the ratio of length and diameter,surface treatment and environmental factors.●All above mentioned magnetic property dates are just for reference.

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Neodymium/NdFeB Magnets

The outstanding characteristics for neodymium magnets are as follows--------

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