Neodymium Magnets

We make custom NdFeB neodymium magnets with complex shapes, high mechanical & physical performance and accuracy requirements.

Magnetic Properties

Grade	Residual Induction		Coercive Force		Intrinsic Coercive Force		Maximum Energe Product		Max Working Temp
	Br		Hcb		Hcj		(BH)max		Tw
	mT	[kGs]	kA/m	[kOe]	kA/m	[kOe]	kJ/m3	[MGOe]	Tw
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]	≥923	[≥11.6]	≥955	[≥12]	366-390	[46-49]	80°
N50	1400-1450	[14.0-14.5]	≥955	[≥12.0]	≥876	[≥11]	382-406	[48-51]	80°
N52	1430-1480	[14.3-14.8]	≥876	[≥11.0]	≥876	[≥11]	398-422	[50-53]	80°
N54	1450-1500	[14.5-15.0]	≥876	[≥11.0]	≥876	[≥11]	414-438	[52-55]	70°
30M	1080-1130	[10.8-11.3]	≥805	[≥10.1]	≥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°
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	1370-1430	[13.7-14.3]	≥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°
52M	1430-1480	[14.3-14.8]	≥1043	[≥13.1]	≥1114	[≥14]	398-422	[50-53]	100°
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	1320-1370	[13.2-13.7]	≥973	[≥12.3]	≥1353	[≥17]	342-366	[43-46]	120°
48H	1370-1420	[13.7-14.2]	≥995	[≥12.5]	≥1353	[≥17]	366-390	[46-49]	120°
50H	1400-1450	[14.0-14.5]	≥1003	[≥12.6]	≥1353	[≥17]	382-406	[48-51]	120°
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	[36-39]	150°
40SH	1250-1280	[12.5-12.8]	≥939	[≥11.8]	≥1592	[≥20]	302-326	[38-41]	150°
42SH	1280-1320	[12.8-13.2]	≥963	[≥12.1]	≥1592	[≥20]	318-342	[40-43]	150°
45SH	1320-1380	[13.2-13.8]	≥979	[≥12.3]	≥1592	[≥20]	342-366	[43-46]	150°
48SH	1370-1430	[13.7-14.3]	≥1011	[≥12.7]	≥1592	[≥20]	366-390	[46-49]	150°
28UH	1040-1080	[10.4-10.8]	≥764	[≥9.6]	≥1990	[≥25]	207-231	[26-29]	180°
30UH	1080-1130	[10.8-11.3]	≥812	[≥10.2]	≥1990	[≥25]	223-247	[28-31]	180°
33UH	1130-1170	[11.3-11.7]	≥852	[≥10.7]	≥1990	[≥25]	247-271	[31-34]	180°
35UH	1170-1220	[11.7-12.2]	≥860	[≥10.8]	≥1990	[≥25]	263-287	[33-36]	180°
38UH	1220-1250	[12.2-12.5]	≥8799	[≥11.3]	≥1990	[≥25]	287-310	[36-39]	180°
40UH	1250-1280	[12.5-12.8]	≥939	[≥11.8]	≥1990	[≥25]	302-326	[38-41]	180°
42UH	1280-1320	[12.8-13.2]	≥963	[≥12.1]	≥1990	[≥25]	318-342	[40-43]	180°
45UH	1320-1380	[13.2-13.8]	≥979	[≥12.3]	≥1990	[≥25]	342-366	[43-46]	180°
28EH	1040-1080	[10.4-10.8]	≥780	[≥9.8]	≥2388	[≥30]	207-231	[26-29]	200°
30EH	1080-1130	[10.8-11.3]	≥812	[≥10.2]	≥2388	[≥30]	223-247	[28-31]	200°
33EH	1130-1170	[11.3-11.7]	≥836	[≥10.5]	≥2388	[≥30]	247-271	[31-34]	200°
35EH	1170-1220	[11.7-12.2]	≥876	[≥11.0]	≥2388	[≥30]	263-287	[33-36]	200°
38EH	1220-1250	[12.2-12.5]	≥899	[≥11.3]	≥2388	[≥30]	287-310	[36-39]	200°
40EH	1250-1280	[12.5-12.8]	≥923	[≥11.6]	≥2388	[≥30]	302-326	[38-41]	200°
42EH	1280-1320	[12.8-13.2]	≥931	[≥11.7]	≥2388	[≥30]	318-342	[40-43]	200°
28AH	1040-1080	[10.4-10.8]	≥787	[≥9.9]	≥2624	[≥33]	207-231	[26-29]	230°
30AH	1080-1130	[10.8-11.3]	≥819	[≥10.3]	≥2624	[≥33]	223-247	[28-31]	230°
33AH	1130-1170	[11.3-11.7]	≥843	[≥10.6]	≥2624	[≥33]	247-271	[31-34]	230°
35AH	1170-1220	[11.7-12.2]	≥876	[≥11.0]	≥2624	[≥33]	263-287	[33-36]	230°
38AH	1220-1250	[12.2-12.5]	≥899	[≥11.3]	≥2624	[≥33]	287-310	[36-39]	230°
40AH	1250-1280	[12.5-12.8]	≥923	[≥11.6]	≥2624	[≥33]	302-326	[38-41]	230°

Indicator
Curie temperature	℃	310-380
Br Reversible temperature coefficient	%/℃	-0.09~-0.13
Hcj Reversible temperature coefficient	%/℃	-0.45~-0.70
Maximum working temperature	℃	80-230
Density	G/cm³	≥7.40~7.80
Vickers Hardness	HV	550-650
Bending strength	Mpa	250
Tensile strength	Mpa	80
Compressive strength	Mpa	1050
Resistivity	μΩ.cm	150
Thermal conductivity	W/(m.K)	6-8
Coefficient of thermal expansion	10 -6/℃	∥5 ⊥-1.5

Physical Properties

Magnetizing

Plating types	Plating	Plating thickness (μm)	Plating Colour	Salt spray test(hours)	Pressure testing(hours)
Ni	Ni+Ni Ni+Cu+Ni	10-20μm	Silver white	>24-72	>24-72
Black Ni	Ni+Cu+Ni	10-20μm	Gloss black	>48-96	>48
Zn	ZN C-Zn	5-8μm	Blue-white/ Color	>16-48>36-72
Sn	Ni+Cu+Ni+Sn	10-25μm	Silver	>36-72	>48
Au	Ni+Cu+Ni+Au	10-15μm	Golden	>12	>48
Ag	Ni+Cu+Ni+Ag	10-15μm	Silver	>12	>48
Epoxy	Cu+Epoxy Zn+Epoxy	15-30μm 15-25μm	Black/ Gray	>72-108 >72-108
Passivation	——	1-3μm	Black grey	Interim measures

Surface Coatings

Notice: Other magnetic direction can be customized according to your requirement.

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