N40SH miniature magnet

Specifications 1.ISO9001:2000 TS16949

3.high remanence, high coercive force, high energy product, high performace, high cost ratio

4.segment

1.NdFeb magnetts is mainly made of Neodymium, iron and boron 2. NdFeb magnet are made for Dc motor, speaker, linear motors, MRI., medical and health products, wind turbine , 3.Coating: Zn , Nickle, Nickle-copper -Nickle, Au , Ag, Epoxy , phosphatsing , parylene, 4. wind turbine are made by N42SH magnets. 5.Neodymium Iron Boron ( the most powerful rare earth magnets availabe today , possesses high enerty ranging from 8MGOe to 64MGoe and wonderful coercive foce. 6.The products widely used in electric automobile, wind turbine, frequency conversion air condition , nuclear magnetic resonace, DC rom drive, vibratng motor, dc motor, audio -systems, sensor, apparatus and meters, mining, toy 7.our NdFeB magnet for wind turbine can have  energy up to 48MGoe magnetic performance, and maxium operating temperature 150 degrecc Celsius , they are H and SH series. 8.NdFeb ring magnet are usually used for loudspeaker , 9. Grade: N35, N38,N40,N42,N45,N48,N50,N52; NN50M,N48H,N45SH,N38UH,N35EH 10. working temperature: 80-220 Celsius degree  

Magnetic characteristics of sintered NdFeb
	(Br)		(bHc)		(iHc)		(BH)max
GRADE									Tw °C
	T	KGs	KA/m	KOe	KA/m	KOe	KJ/m3	MGOe
N35	1.18-1.23	11.8-12.3	≥868	≥10.9	≥955	≥12	263-287	33-36	≤80
N38	1.22-1.28	12.2-12.8	≥899	≥11.3	≥955	≥12	287-310	36-39	≤80
N40	1.26-1.31	12.6-13.1	≥923	≥11.6	≥955	≥12	302-326	38-41	≤80
N42	1.28-1.34	12.8-13.4	≥923	≥11.6	≥955	≥12	318-342	40-43	≤80
N45	1.32-1.37	13.2-13.7	≥876	≥11.0	≥955	≥12	342-366	43-46	≤80
N48	1.36-1.42	13.6-14.2	≥836	≥10.5	≥876	≥11	358-390	45-48	≤80
N50	1.39-1.45	13.9-14.5	≥836	≥10.5	≥876	≥11	374-406	47-51	≤80
N52	1.42-1.48	14.2-14.8	≥796	≥10.0	≥876	≥11	390-422	49-53	≤80
N35M	1.18-1.23	11.8-12.3	≥868	≥10.9	≥1114	≥14	263-287	33-36	≤100
N38M	1.22-1.28	12.2-12.8	≥899	≥11.3	≥1114	≥14	287-310	36-39	≤100
N40M	1.26-1.31	12.6-13.1	≥923	≥11.6	≥1114	≥14	302-326	38-41	≤100
N42M	1.28-1.34	12.8-13.4	≥923	≥11.6	≥1114	≥14	318-342	40-43	≤100
N45M	1.34-1.39	13.4-13.9	≥876	≥11.0	≥1114	≥14	342-366	43-46	≤100
N48M	1.36-1.42	13.6-14.2	≥876	≥11.0	≥1114	≥14	366-390	46-49	≤100
N35H	1.18-1.23	11.8-12.3	≥868	≥10.9	≥1353	≥17	263-287	33-36	≤120
N38H	1.22-1.28	12.2-12.8	≥899	≥11.3	≥1353	≥17	287-310	36-39	≤120
N40H	1.26-1.31	12.6-13.1	≥923	≥11.6	≥1353	≥17	302-326	38-41	≤120
N42H	1.28-1.34	12.8-13.4	≥923	≥11.6	≥1353	≥17	318-342	40-43	≤120
N45H	1.33-1.39	13.3-13.9	≥923	≥11.6	≥1353	≥17	342-366	43-46	≤120
N48H	1.36-1.42	13.6-14.2	≥923	≥11.6	≥1274	≥16	366-390	46-49	≤120
N33SH	1.14-1.19	11.4-11.9	≥836	≥10.5	≥1592	≥20	247-270	31-34	≤150
N35SH	1.18-1.23	11.8-12.3	≥868	≥10.9	≥1592	≥20	263-287	33-36	≤150
N38SH	1.22-1.28	12.2-12.8	≥899	≥11.3	≥1592	≥20	287-310	36-39	≤150
N40SH	1.26-1.31	12.6-13.1	≥923	≥11.6	≥1592	≥20	302-326	38-41	≤150
N42SH	1.28-1.34	12.8-13.4	≥923	≥11.6	≥1592	≥20	318-342	40-43	≤150
N45SH	1.33-1.39	13.3-13.9	≥923	≥11.6	≥1592	≥20	342-366	43-46	≤150
N28UH	1.03-1.09	10.3-10.9	≥780	≥9.80	≥1990	≥25	207-231	26-29	≤180
N30UH	1.09-1.14	10.9-11.4	≥812	≥10.2	≥1990	≥25	223-247	28-31	≤180
N33UH	1.13-1.17	11.3-11.7	≥852	≥10.7	≥1990	≥25	247-263	31-33	≤180
N35UH	1.18-1.22	11.8-12.2	≥868	≥10.9	≥1990	≥25	263-287	33-36	≤180
N38UH	1.22-1.27	12.2-12.7	≥899	≥11.3	≥1990	≥25	287-310	36-39	≤180
N28EH	1.03-1.09	10.3-10.9	≥780	≥9.80	≥2388	≥30	207-231	26-29	≤200
N30EH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥2388	≥30	223-247	28-31	≤200
N33EH	1.13-1.17	11.3-11.7	≥852	≥10.7	≥2388	≥30	247-263	31-33	≤200
N35EH	1.18-1.22	11.8-12.2	≥868	≥10.9	≥2388	≥30	263-287	33-36	≤200
N28AH	1.03-1.09	10.3-10.9	≥780	≥9.80	≥2786	≥35	207-231	26-29	≤220
N30AH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥2786	≥35	223-247	28-31	≤220
	Note:The above mentioned data is given at room temperature.
	The above-mentioned maximum working temperature of magnet is changeable due to the ratio length and diameter,surface coating and environmental factors.
PHYSICAL PROPERTIES OF SINTERED NdFeB
Temp.Coeff.of Br	-0.09~-0.11%/°C	Specific Heat	0.12Kcal/(kg,°C)
Density	7.4-7.6g/cm3	Young’s Modulus	1.6x1011N/m2
Vickers hardness	600Hv	Poisson’s Ratio	0.24
Tensile Strength	8.0Kg/mm2	Curie Temperature	310~340°C
Temp.Coeff.of Hc	-0.50~-0.60%/°C	Thermal Conductivity	7.7Kcal/(m.h.°C)
Electrical Resistivity	114μΩ.cm	Rigidity	0.64N/m2
Flexural Strength	25Kg/mm	Compressibility	9.8x10-12m2/N
Coeff. Of Thermal Expansion	4x10-6/°C	Relative recoil permeabilityμrev	1.05

  permanent magnet, NdFeB magnet, Nedoymium magnet, rare earth magnet,