Products Description

Dimension range of Sintered NdFeb Magnet
Shape	Length(OD)mm		Width(ID)mm		Thickness mm
	Min.	Max.	Min.	Max.	Min.	Max.
Block	1	250	1	250	/	50
Ring and round	1	250	/	/	/	50

Anti-corrosion resistance of the coating of sintered NdFeb Magnet
Coating	Zn		Ni		Ni-Cu-Ni	Electro-Epoxy	Passivation (Chromeplating,Tinplating)
	Blue	Colored Zinc	Single Layer	Double Layers
Corrosion Resistance	Good	Excellent	Very Good	Excellent	Excellent	Very Good	Good

STADNDARD CHARACTERISTICS FOR STRONG’S SINTERED NdFeB MAGNETS

	Residual magnetism(Min.）		Intrinsic coercive field（Min)		Magnetic inductive coercivity (min)		Max.Magnetic Energy		Density	Curi Temp.	Max.Operaing Temp.	Recoil permeability	working temperature
Grade	Br		Hcj		Hcb		(BH)max		ρ	Tc	Tw	μrec
											(L/D≥0.7)
Units	kGs	Tesla	kOe	kA/m	kOe	kA/m	MGOe	kJ/m3	g/cm3	℃	℃	—-
N30	10.8~11.3	1.08~1.13	12	955	10	796	28~31	223~247	7.45	310	80	1.05	＜80℃
N33	11.3~11.7	1.13~1.17	12	955	10.5	836	31~34	247~271	7.45	310	80	1.05	＜80℃
N35	11.7~12.2	1.17~1.22	12	955	10.9	867	33~36	263~287	7.45	310	80	1.05	＜80℃
N38	12.2~12.5	1.22~1.25	12	955	11.3	899	36~39	287~310	7.5	320	80	1.05	＜80℃
N40	12.5~12.8	1.25~1.28	12	955	11.6	923	38~41	302~326	7.5	320	80	1.05	＜80℃
N42	12.8~13.2	1.28~1.32	12	955	11.6	923	40~43	318~342	7.5	320	80	1.05	＜80℃
N45	13.2~13.6	1.32~1.36	12	955	11	875	43~46	342~366	7.5	320	80	1.05	＜80℃
N48	13.6~14.0	1.36~1.40	12	955	11.2	891	46~49	366~390	7.5	320	80	1.05	＜80℃
N50	14.0~14.3	1.40~1.43	12	955	10.5	836	47~51	374~406	7.55	320	80	1.05	＜80℃
N52	14.3~14.6	1.43~1.46	12	955	10.5	836	51~53	390~422	7.55	320	80	1.05	＜80℃
N30M	10.8~11.3	1.08~1.13	14	1114	10	796	28~31	223~247	7.5	320	100	1.05	＜100℃
N33M	11.3~11.7	1.13~1.17	14	1114	10.5	836	31~34	247~271	7.5	320	100	1.05	＜100℃
N35M	11.7~12.2	1.17~1.22	14	1114	10.9	867	33~36	263~287	7.5	320	100	1.05	＜100℃
N38M	12.2~12.5	1.22~1.25	14	1114	11.3	899	36~39	287~310	7.5	320	100	1.05	＜100℃
N40M	12.5~12.8	1.25~1.28	14	1114	11.6	923	38~41	302~326	7.5	320	100	1.05	＜100℃
N42M	12.8~13.2	1.28~1.32	14	1114	12	955	40~43	318~342	7.5	320	100	1.05	＜100℃
N45M	13.2~13.6	1.32~1.36	14	1114	12.5	995	43~46	342~366	7.5	320	100	1.05	＜100℃
N48M	13.6~14.0	1.36~1.40	14	1114	12.8	1019	46~49	358~390	7.55	320	100	1.05	＜100℃
N50M	14.0~14.3	1.40~1.43	14	1114	13	1035	47~51	374~406	7.55	320	100	1.05	＜100℃
N52M	14.3~14.6	1.43~1.46	14	1114	12.5	995	51~53	390~422	7.55	320	100	1.05	＜100℃
N30H	10.8~11.3	1.08~1.13	17	1353	10	796	28~31	223~247	7.5	320	120	1.05	≤120℃
N33H	11.3~11.7	1.13~1.17	17	1353	10.5	836	31~34	247~271	7.5	320	120	1.05	≤120℃
N35H	11.7~12.2	1.17~1.22	17	1353	10.9	867	33~36	263~287	7.5	320	120	1.05	≤120℃
N38H	12.2~12.5	1.22~1.25	17	1353	11.3	899	36~39	287~310	7.5	320	120	1.05	≤120℃
N40H	12.5~12.8	1.25~1.28	17	1353	11.6	923	38~41	302~326	7.55	320	120	1.05	≤120℃
N42H	12.8~13.2	1.28~1.32	17	1353	12	955	40~43	318~342	7.55	320	120	1.05	≤120℃
N45H	13.2~13.6	1.32~1.36	17	1353	12.2	971	43~46	342~366	7.55	320	120	1.05	≤120℃
N48H	13.6~14.0	1.36~1.40	17	1353	12.9	1027	46~49	358~390	7.6	320	120	1.05	≤120℃
N50H	14.0~14.3	1.40~1.43	16	1273	13	1035	47~51	374~406	7.6	320	120	1.05	≤120℃
N30SH	10.8~11.3	1.08~1.13	20	1592	10.1	804	28~31	223~247	7.5	320	150	1.05	≤150℃
N33SH	11.3~11.7	1.13~1.17	20	1592	10.6	844	31~34	247~271	7.5	320	150	1.05	≤150℃
N35SH	11.7~12.2	1.17~1.22	20	1592	11	875	33~36	263~287	7.55	320	150	1.05	≤150℃
N38SH	12.2~12.5	1.22~1.25	20	1592	11.4	907	36~39	287~310	7.55	320	150	1.05	≤150℃
N40SH	12.5~12.8	1.25~1.28	20	1592	11.8	939	38~41	302~326	7.55	320	150	1.05	≤150℃
N42SH	12.8~13.2	1.28~1.32	20	1592	12.2	971	40~43	318~342	7.55	320	150	1.05	≤150℃
N45SH	13.2~13.6	1.32~1.36	20	1592	12.3	979	43~46	342~366	7.6	320	150	1.05	≤150℃
N48SH	13.6~14.0	1.36~1.40	19	1512	12.5	995	46~49	366~390	7.6	320	150	1.05	≤150℃
N28UH	10.4~10.8	1.04~1.08	25	1989	9.6	764	26~29	207~231	7.5	320	180	1.05	≤180℃
N30UH	10.8~11.3	1.08~1.13	25	1989	10.2	812	28~31	223~247	7.5	320	180	1.05	≤180℃
N33UH	11.3~11.7	1.13~1.17	25	1989	10.7	851	31~34	247~271	7.55	320	180	1.05	≤180℃
N35UH	11.7~12.2	1.17~1.22	25	1989	10.8	859	33~36	263~287	7.55	320	180	1.05	≤180℃
N38UH	12.2~12.5	1.22~1.25	25	1989	11	875	36~39	287~310	7.6	320	180	1.05	≤180℃
N40UH	12.5~12.8	1.25~1.28	25	1989	11.5	915	38~41	302~326	7.6	320	180	1.05	≤180℃
N42UH	12.8~13.2	1.28~1.32	25	1989	12.2	971	40~43	310~342	7.6	320	180	1.05	≤180℃
N45UH	13.2~13.6	1.32~1.36	24	1909	12.3	979	43~46	342~366	7.6	320	180	1.05	≤180℃
N28EH	10.4~10.8	1.04~1.08	30	2387	9.8	780	26~29	207~231	7.6	320	200	1.05	≤200℃
N30EH	10.8~11.3	1.08~1.13	30	2387	10.2	812	28~31	223~247	7.6	320	200	1.05	≤200℃
N33EH	11.3~11.7	1.13~1.17	30	2387	10.3	820	31~34	247~271	7.6	320	200	1.05	≤200℃
N35EH	11.7~12.2	1.17~1.22	30	2387	10.5	836	33~36	263~287	7.6	320	200	1.05	≤200℃
N38EH	12.2~12.5	1.22~1.25	30	2387	11.5	915	36~39	279~310	7.6	320	200	1.05	≤200℃
N28AH	10.4~10.8	1.04~1.08	34	2706	9.8	780	26~29	199~231	7.6	320	240	1.05	≤220℃
N30AH	10.8~11.3	1.08~1.13	34	2706	10.2	812	27~31	215~247	7.6	320	240	1.05	≤220℃
N33AH	11.3~11.7	1.13~1.17	34	2706	10.3	820	31~34	239~271	7.6	320	240	1.05	≤220℃
N35AH	11.7~12.2	1.17~1.22	34	2706	10.5	836	33~36	255~287	7.6	320	240	1.05	≤220℃
Note:（1）the data in the table is tested data under 20℃；
（2）Max.operating temperature(Tw)：at certain temperature,reserve temperature for 2h, the Magnetic flux loss of the D10*7↓ is ≤5%，so it is the max.operating temperature；

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