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NdFeB magnet

NEODYMIUM-IRON-BORON MAGNETS (Rare earth permanent magnetic).
Sintered neodymium-iron-boron (NdFeB) magnets, They offer the highest energy product of any material today and are available in a very wide range of shapes, sizes and grades.

MAXIMUM USE TEMPERATURE AND CORROSION
The temperature stability and resist corrosion is not as good as permanent ferrite magnet.

THE CHARACTERISTICS STANDARDS.

牌号 Grade	剩磁 Remanence induction		矫顽力 Coercive force		内禀矫顽力 Intrinsic Coercive force		最大磁能积 maximum Energy product		工作温度 Temperature	密度 Density
	Br		Hcb		Hcj		(BH)max		Pc≥0.7	ρ
	T	KGs	KA/m	KOe	KA/m	KOe	KJ/m³	MGOe	℃	g/cm³
N33	1.14-1.17	11.4-11.7	≥836	≥10.5	≥955	≥12	247-263	31-33	≤80	≥7.4
N35	1.17-1.22	11.7-12.2	≥859	≥10.8	≥955	≥12	263-287	33-36	≤80	≥7.4
N38	1.22-1.26	12.2-12.6	≥859	≥10.8	≥955	≥12	287-303	36-38	≤80	≥7.5
N40	1.26-1.29	12.6-12.9	≥836	≥10.5	≥955	≥12	303-318	38-40	≤80	≥7.5
N42	1.29-1.32	12.9-13.2	≥836	≥10.5	≥955	≥12	318-342	40-43	≤80	≥7.5
N45	1.32-1.37	13.2-13.7	≥836	≥10.5	≥955	≥12	342-359	43-45	≤80	≥7.5
N48	1.36-1.42	13.6-14.2	≥836	≥10.5	≥955	≥12	358-382	45-49	≤80	≥7.5
N50	1.40-1.45	14.0-14.5	≥836	≥10.5	≥955	≥12	374-406	47-51	≤80	≥7.5
N52	1.42-1.48	14.2-14.8	≥836	≥10.5	≥876	≥11	389-422	49-53	≤80	≥7.5
N30M	1.08-1.14	10.8-11.4	≥812	≥10.2	≥1114	≥14	223-247	28-31	≤100	≥7.5
N33M	1.14-1.17	11.4-11.7	≥852	≥10.7	≥1114	≥14	247-263	31-33	≤100	≥7.5
N35M	1.17-1.22	11.7-12.2	≥876	≥11.0	≥1114	≥14	263-287	33-36	≤100	≥7.5
N38M	1.22-1.26	12.2-12.6	≥916	≥11.5	≥1114	≥14	287-303	36-38	≤100	≥7.5
N40M	1.26-1.29	12.6-12.9	≥939	≥11.8	≥1114	≥14	303-318	38-40	≤100	≥7.5
N42M	1.29-1.32	12.9-13.2	≥955	≥12.0	≥1114	≥14	318-334	40-42	≤100	≥7.5
N45M	1.32-1.38	13.2-13.8	≥987	≥12.4	≥1114	≥14	334-366	42-46	≤100	≥7.5
N48M	1.36-1.42	13.6-14.2	≥1018	≥12.8	≥1114	≥14	358-390	45-49	≤100	≥7.5
N50M	1.39-1.45	13.9-14.5	≥1050	≥13.2	≥1114	≥14	374-406	47-51	≤100	≥7.5
N30H	1.08-1.14	10.8-11.4	≥812	≥10.2	≥1353	≥17	223-247	28-31	≤120	≥7.5
N33H	1.14-1.17	11.4-11.7	≥851	≥10.7	≥1353	≥17	247-263	31-33	≤120	≥7.5
N35H	1.17-1.22	11.7-12.2	≥875	≥11.0	≥1353	≥17	263-287	33-36	≤120	≥7.5
N38H	1.22-1.26	12.2-12.6	≥916	≥11.6	≥1353	≥17	287-303	36-38	≤120	≥7.5
N40H	1.26-1.29	12.6-12.9	≥939	≥11.8	≥1353	≥17	303-318	38-40	≤120	≥7.5
N42H	1.29-1.32	12.9-13.2	≥955	≥12.0	≥1353	≥17	318-334	40-42	≤120	≥7.5
N45H	1.32-1.38	13.2-13.8	≥987	≥12.4	≥1353	≥17	334-366	42-46	≤120	≥7.5
N48H	1.36-1.42	13.6-14.2	≥1026	≥12.9	≥1273	≥16	358-390	45-49	≤120	≥7.5
N30SH	1.08-1.14	10.8-11.4	≥812	≥10.2	≥1592	≥20	223-247	28-31	≤150	≥7.5
N33SH	1.14-1.17	11.4-11.7	≥851	≥10.7	≥1592	≥20	247-263	31-33	≤150	≥7.5
N35SH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥1592	≥20	263-287	33-36	≤150	≥7.5
N38SH	1.22-1.26	12.2-12.6	≥899	≥11.3	≥1592	≥20	287-303	36-38	≤150	≥7.5
N40SH	1.26-1.29	12.6-12.9	≥931	≥11.7	≥1592	≥20	303-318	38-40	≤150	≥7.5
N42SH	1.29-1.32	12.9-13.2	≥963	≥12.1	≥1592	≥20	318-334	40-42	≤150	≥7.5
N44SH	1.30-1.36	13.0-13.6	≥995	≥12.3	≥1592	≥20	326-359	41-45	≤150	≥7.5
N30UH	1.08-1.14	10.8-11.4	≥812	≥10.2	≥1990	≥25	223-247	28-31	≤180	≥7.5
N33UH	1.14-1.17	11.4-11.7	≥851	≥10.7	≥1990	≥25	247-263	31-33	≤180	≥7.5
N35UH	1.17-1.22	11.7-12.2	≥875	≥11.0	≥1990	≥25	263-287	33-36	≤180	≥7.5
N38UH	1.22-1.26	12.2-12.6	≥915	≥11.5	≥1990	≥25	287-302	36-38	≤180	≥7.5
N40UH	1.26-1.32	12.6-13.2	≥939	≥11.8	≥1990	≥25	302-334	38-42	≤180	≥7.5
N30EH	1.08-1.14	10.8-11.4	≥812	≥10.2	≥2388	≥30	223-247	28-31	≤200	≥7.5
N33EH	1.14-1.17	11.4-11.7	≥851	≥10.7	≥2388	≥30	247-263	31-33	≤200	≥7.5
N35EH	1.17-1.25	11.7-12.5	≥875	≥11.0	≥2388	≥30	263-295	33-37	≤200	≥7.5
N38EH	1.22-1.29	12.2-12.9	≥907	≥11.4	≥2388	≥30	287-318	36-40	≤200	≥7.5
N30AH	1.08-1.20	10.8-12.0	≥860	≥10.8	≥2626	≥33	247-263	31-35	≤220	≥7.5

Remark:
※magnetic conductivityμrec-1.05, Currie Temperature Tc=310℃
※The above magnetic parameters and physical features are measured at room temperature. The sample is D10×10 inspection figures.
※The highest service temperature relies on the length width ratio and environmental factors. The magnetic flux is less or equal to 5% at such temperature。

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