Sintered NdFeB Magnets

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Neodymium magnets

NdFeB disc magnets
NdFeB magnets for elevator motor
NdFeB block magnets
NdFeB segment magnets for motor
NdFeB ring magnets
NdFeB magnet for servo generator

Sintered neodymium iron boron (NdFeB) magnets are available in cylindrical, rectangular, and ring shapes, making them highly versatile for industrial applications. Known for their strong magnetic properties, they are widely used in the manufacturing of arc motors, rotating motors, wind turbines, servo motors, and traction machines. Their high energy density and compact size make them an essential component in modern engineering and power generation systems.

Specifications

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N30	11.2	10.8	1.12	1.08	10.5	10	836	796	≥12	≥955		30	28	239	223	≤80
N35	12	11.7	1.2	1.17	11.3	10.8	900	860	≥12	≥955		35	33	279	263	≤80
N38	12.6	12.2	1.26	1.22	11.5	11.3	915	900	≥12	≥955		38	36	303	287	≤80
N40	12.9	12.6	1.29	1.26	11.6	11.4	924	908	≥12	≥955		40	38	318	303	≤80
N42	13.1	12.9	1.31	1.29	11.8	11.5	939	915	≥12	≥955		42	40	342	326	≤80
N45	13.6	13.3	1.36	1.33	12	11.6	955	924	≥12	≥955		45	43	358	342	≤80
N48	14	13.8	1.4	1.38	10.8	10.2	860	810	≥11	≥875		48	46	383	367	≤80
N50	14.3	14.1	1.43	1.41	10.8	10	860	794	≥11	≥875		50	48	398	383	≤80
N52	14.5	14.2	1.45	1.42	10.8	10	860	794	≥11	≥875		52	50	414	398	≤60
N54	15.1	14.5	1.51	1.45	10.5	10	836	794	≥11	≥875		54	51	429	406	≤60
N55	15.4	14.7	1.54	1.47	10.5	10	868360	794	≥11	≥875		55	52	438	414	≤60

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N30M	11.2	10.8	1.12	1.08	10.5	10	836	794	≥14	≥1114		30	28	239	223	≤100
N35M	12	11.7	1.2	1.17	11.3	10.9	900	868	≥14	≥1114		35	33	279	263	≤100
N38M	12.6	12.2	1.26	1.22	11.8	11.3	939	900	≥14	≥1114		38	36	303	287	≤100
N40M	12.9	12.6	1.29	1.26	12	11.6	955	924	≥14	≥1114		40	38	318	303	≤100
N42M	13.2	12.9	1.32	1.29	12.4	12	987	955	≥14	≥1114		42	40	342	326	≤100
N45M	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥14	≥1114		45	43	358	342	≤100
N48M	14	13.8	1.4	1.38	13.3	12.9	1059	1027	≥14	≥1114		48	46	383	367	≤100
N50M	14.3	14	1.43	1.4	13.5	13.1	1074	1042	≥14	≥1114		50	48	398	383	≤100
N52M	14.5	14.2	1.45	1.42	13.6	13.2	1082	1050	≥14	≥1114		52	50	414	398	≤80

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N30H	11.2	10.8	1.12	1.08	10.5	10	836	794	≥17	≥1353		30	28	239	223	≤120
N33H	11.7	11.4	1.17	1.14	11	10.5	876	836	≥17	≥1353		33	31	263	247	≤120
N35H	12	11.7	1.2	1.17	11.3	10.9	900	868	≥17	≥1353		35	33	279	263	≤120
N38H	12.6	12.2	1.26	1.22	11.8	11.3	939	900	≥17	≥1353		38	36	303	287	≤120
N40H	12.8	12.6	1.28	1.26	12	11.6	955	924	≥17	≥1353		40	38	318	303	≤120
N42H	13	12.8	1.3	1.28	12.4	12	987	955	≥17	≥1353		42	40	342	326	≤120
N45H	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥17	≥1353		45	43	358	342	≤120
N48H	14	13.8	1.4	1.38	13.3	12.9	1059	1027	≥17	≥1353		48	46	383	367	≤120
N50H	14.3	14	1.43	1.4	13.5	13.1	1074	1042	≥17	≥1353		50	48	398	383	≤100
N52H	14.5	14.2	1.45	1.42	13.6	13.2	1082	1050	≥17	≥1353		52	50	414	398	≤100

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N30SH	11.2	10.8	1.12	1.08	10.5	10.1	836	804	≥20	≥1595		30	28	239	223	≤150
N33SH	11.7	11.4	1.17	1.14	11	10.6	876	844	≥20	≥1595		33	31	263	247	≤150
N35SH	12	11.7	1.2	1.17	11.3	11	900	876	≥20	≥1595		35	33	279	263	≤150
N37SH	12.3	12	1.23	1.2	11.5	11.3	915	900	≥20	≥1595		37	35	295	279	≤150
N38SH	12.5	12.2	1.25	1.22	11.8	11.4	939	908	≥20	≥1595		38	36	303	287	≤150
N40SH	12.7	12.5	1.27	1.25	12.1	11.8	963	939	≥20	≥1595		40	38	318	303	≤150
N42SH	13	12.8	1.3	1.28	12.4	12	987	955	≥20	≥1595		42	40	342	326	≤150
N45SH	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥20	≥1595		45	43	358	342	≤150
N48SH	14	13.8	1.4	1.38	13.3	12.9	1059	1027	≥20	≥1595		48	46	383	367	≤130
N50SH	14.2	14	1.42	1.4	13.5	13.1	1074	1042	≥20	≥1595		50	48	398	383	≤130

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N25UH	10	9.6	1	0.96	9.6	9.2	764	732	≥25	≥1990		25	22	199	175	≤180
N28UH	10.8	10.4	1.08	1.04	10.2	9.8	812	780	≥25	≥1990		28	26	223	207	≤180
N30UH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥25	≥1990		30	28	239	223	≤180
N33UH	11.5	11.3	1.15	1.13	11	10.6	876	844	≥25	≥1990		33	31	263	247	≤180
N35UH	11.9	11.7	1.19	1.17	11.3	11	900	876	≥25	≥1990		35	33	279	263	≤180
N38UH	12.5	12.2	1.25	1.22	11.8	11.4	939	908	≥25	≥1990		38	36	303	287	≤180
N40UH	12.7	12.5	1.27	1.25	12.2	11.8	971	939	≥25	≥1990		40	38	318	303	≤180
N42UH	13	12.8	1.3	1.28	12.4	12	987	955	≥25	≥1990		42	40	342	326	≤180
N45UH	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥25	≥1990		45	43	358	342	≤150
N48UH	14	13.8	1.4	1.38	13.3	12.9	1059	1027	≥25	≥1990		48	45	383	367	≤150
N50UH	14.2	13.9	1.42	1.39	13.5	13.1	1074	1042	≥24	≥1911	50	48	398	383	≤150

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N28EH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥30	≥2388		28	26	223	207	≤200
N30EH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥30	≥2388		30	28	239	223	≤200
N33EH	11.5	11.3	1.15	1.13	11	10.6	876	844	≥30	≥2388		33	31	263	247	≤200
N35EH	11.9	11.7	1.19	1.17	11.3	11	900	876	≥30	≥2388		35	33	279	263	≤200
N38EH	12.4	12.2	1.24	1.22	11.8	11.4	939	908	≥30	≥2388		38	36	303	287	≤200
N40EH	12.7	12.4	1.27	1.24	12.2	11.8	971	939	≥30	≥2388		40	38	318	303	≤200
N42EH	13	12.8	1.3	1.28	12.4	12	987	955	≥30	≥2388		42	40	334	318	≤200
N45EH	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥30	≥2388		45	43	358	342	≤200
N48EH	14	13.8	1.38	1.38	13.3	12.9	1059	1027	≥30	≥2388		48	46	383	367	≤200

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N28AH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥33	≥2626		28	26	223	207	≤220
N30AH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥33	≥2626		30	28	239	223	≤220
N33AH	11.5	11.3	1.15	1.13	11	10.6	876	844	≥33	≥2626		33	31	263	247	≤220
N35AH	11.9	11.7	1.19	1.17	11.5	11	915	876	≥33	≥2626		35	33	279	263	≤220
N38AH	12.4	12.2	1.24	1.22	11.8	11.4	939	908	≥33	≥2626		37	35	294	279	≤220
N40AH	12.7	12.4	1.27	1.24	12.1	11.8	971	939	≥33	≥2626		39	37	310	294	≤220
N42AH	13	12.8	1.3	1.28	12.4	12	987	955	≥33	≥2626		42	40	334	318	≤220
N45AH	13.5	13.3	1.35	1.33	12.6	12.2	1003	971	≥33	≥2626		45	43	358	342	≤220

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N28TH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥40	≥3185		28	26	223	207	≤240
N30TH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥40	≥3185		30	28	239	223	≤240
N33TH	11.5	11.3	1.15	1.13	11	10.6	876	844	≥40	≥3185		33	31	263	247	≤240
N35TH	11.9	11.7	1.19	1.17	11.5	11	915	876	≥40	≥3185		35	33	279	263	≤240
N38TH	12.4	12.2	1.24	1.22	11.8	11.4	939	908	≥40	≥3185		37	35	294	279	≤240
N40TH	12.7	12.4	1.27	1.24	12.1	11.8	971	939	≥40	≥3185		39	37	310	294	≤240

Properties	Remanence				Coercivity				Intrinsic coercivity			Max. energy product				Working temperature
Unit	kGs		T		kOe		kA/m		kOe		kA/m	MGOe		kJ/m³		℃
Grade	Nom.	Min.	Nom.	Min.	Nom.	Min.	Nom.	Min.				Nom.	Min.	Nom.	Min.
N28RH	10.8	10.4	1.08	1.04	10.4	9.8	811	780	≥45	≥3583		28	26	223	207	≤260
N30RH	11.2	10.8	1.12	1.08	10.6	10.1	844	804	≥45	≥3583		30	28	239	223	≤260
N33RH	11.5	11.3	1.15	1.13	11	10.6	876	844	≥45	≥3583		33	31	263	247	≤260
N35RH	11.9	11.7	1.19	1.17	11.5	11	915	876	≥45	≥3583		35	33	279	263	≤260