NdFeB Magnets

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Description

Reviews

The Sintered NdFeB Magnet has the high remanence, high coercive force, high energy product and high performance. It is easily formed into various sizes, and widely used in mini-motors, meters, sensors, sound device, magnetic suspension system, magnetic transmission machine and iatrical apparatus and other applications. It is prone to corrosion in humid environments, It usually need surface treatment according to customer’s requirements to protect magnet. We can offer the coating included: Zinc, Nickel, Silver, Gold-plating, Passivation, Phosphor and Spray Epoxy Resin.

>>Production Chart of Sintered NdFeB

>>Property of NdFeB Magnets

Magnetic Properties of Sintered NdFeB Magnets
Grade	Remanence (Br)		Coercive Force (HcB)		Intrinsic Coercive Force （HcJ）		Max.Energy Product (B-H) Max		Max Operation Temp. ℃
	mT	KG	KA/m	KOe	KA/m	KOe	KJ/ m3	MGOe	Tw ℃
N30	1080-1130	10.8-11.3	≥ 796	≥ 10	≥ 955	≥ 12	233-247	28-31	80 ℃
N33	1130-1170	11.3-11.7	≥ 836	≥ 10.5	≥ 955	≥ 12	247-271	31-34	80 ℃
N35	1170-1220	11.7-12.2	≥ 868	≥ 10.9	≥ 955	≥ 12	263-287	33-36	80 ℃
N38	1220-1250	12.2-12.5	≥ 899	≥ 11.3	≥ 955	≥ 12	287-310	36-39	80 ℃
N40	1250-1280	12.5-12.8	≥ 907	≥ 11.4	≥ 955	≥ 12	302-326	38-41	80 ℃
N42	1280-1320	12.8-13.2	≥ 915	≥ 11.5	≥ 955	≥ 12	318-342	40-43	80 ℃
N45	1320-1380	13.2-13.8	≥ 923	≥ 11.6	≥ 955	≥ 12	342-366	43-46	80 ℃
N48	1380-1420	13.8-14.2	≥ 836	≥ 10.5	≥955	≥ 12	366-390	46-49	80 ℃
N50	1400-1450	14.0-14.5	≥ 796	≥ 10.0	≥ 876	≥ 11	382-406	48-51	60 ℃
N52	1430-1480	14.3-14.8	≥ 796	≥ 10.0	≥ 876	≥ 11	398-422	50-53	60 ℃
30M	1080-1130	10.8-11.3	≥ 796	≥ 10.0	≥ 1114	≥ 14	223-247	28-31	100 ℃
33M	1130-1170	11.3-11.7	≥ 836	≥ 10.5	≥ 1114	≥ 14	247-263	31-33	100 ℃
35M	1170-1220	11.7-12.2	≥ 868	≥ 10.9	≥ 1114	≥ 14	263-287	33-36	100 ℃
38M	1220-1250	12.2-12.5	≥ 899	≥ 11.3	≥ 1114	≥ 14	287-310	36-39	100 ℃
40M	1250-1280	12.5-12.8	≥ 923	≥ 11.6	≥ 1114	≥ 14	302-326	38-41	100 ℃

Magnetic Properties of Sintered NdFeB Magnets
Grade	Remanence (Br)		Coercive Force (HcB)		Intrinsic Coercive Force （HcJ）		Max.Energy Product (B-H) Max		Max Operation Temp. ℃
	mT	KG	KA/m	KOe	KA/m	KOe	KJ/ m3	MGOe	Tw ℃
42M	1280-1320	12.8-13.2	≥ 955	≥ 12.0	≥ 1114	≥ 14	318-342	40-43	100 ℃
45M	1320-1380	13.2-13.8	≥ 995	≥ 12.5	≥ 1114	≥ 14	342-366	43-46	100 ℃
48M	1360-1430	13.6-14.3	≥ 1027	≥ 12.9	≥ 1114	≥ 14	366-390	46-49	100 ℃
50M	1400-1450	14.0-14.5	≥ 1033	≥ 13.0	≥ 1114	≥ 14	382-406	48-51	100 ℃
30H	1080-1130	10.8-11.3	≥ 796	≥ 10.0	≥ 1353	≥ 17	223-247	28-31	120 ℃
33H	1130-1170	11.3-11.7	≥ 836	≥ 10.5	≥ 1353	≥ 17	247-271	31-34	120 ℃
35H	1170-1220	11.7-12.2	≥ 868	≥ 10.9	≥ 1353	≥ 17	263-287	33-36	120 ℃
38H	1220-1250	12.2-12.5	≥ 899	≥ 11.3	≥ 1353	≥ 17	287-310	36-39	120 ℃
40H	1250-1280	12.5-12.8	≥ 923	≥ 11.6	≥ 1353	≥ 17	302-326	38-41	120 ℃
42H	1280-1320	12.8-13.2	≥ 955	≥ 12.0	≥ 1353	≥ 17	318-342	40-43	120 ℃
45H	1320-1360	13.2-13.6	≥ 963	≥ 12.1	≥ 1353	≥ 17	342-366	43-46	120 ℃
48H	1370-1430	13.7-14.3	≥ 995	≥ 12.5	≥ 1353	≥ 17	366-390	46-49	120 ℃
30SH	1080-1130	10.8-11.3	≥ 804	≥ 10.1	≥ 1592	≥ 20	223-247	28-31	150 ℃
33SH	1130-1170	11.3-11.7	≥ 844	≥ 10.6	≥ 1592	≥ 20	247-271	31-34	150 ℃
35SH	1170-1220	11.7-12.2	≥ 876	≥ 11.0	≥ 1592	≥ 20	263-287	33-36	150 ℃
38SH	1220-1250	12.2-12.5	≥ 907	≥ 11.4	≥ 1592	≥ 20	287-310

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