permanent multipole neodymium ring magnet from China manufacturer - Ningbo Permanent Magnet Materials Co.,Ltd

permanent multipole neodymium ring magnet

Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean,Land,Air

Packing: According to the practical ...

Application: Industrial Magnet

Type: Permanent

Grade:: N35-38,M,H,SH

appplication: motor and sensor

Production Capacity: 1000000 piece one year

Delivery Date: According to the actual num...

Shape: Disc

Composite: Neodymium Magnet

shape: Cylinder

size: According to customer's req...

Neodymium ring magnets are also called as NdFeB rare Earth Magnets, we are offering the permanent Neodymium magnets at cheap prices!

product name Industrial permanent multipole neodymium ringmagnet

Physical properties

Temp.Coeff.OfBr	0.11%ºC	Temp.Coeff.OfHc	-0.60%ºC
Density	7.3-7.5g/cm²	ElectricalResistivity	114μ.Ω.Cm
Vickers Hardness	600Hv	FlexuralResitivity	25kg/mm
Tensile Strength	8.0Kg/mm²	Coeff.OfThermal Expansion	4x10¯³/ºC
Specific Heat	0.12Kcal/Kg	ThermalCondustivity	7.7kcal/[m.h.ºC]
Young's Modulus	1.6X10[11]N/m²	Rigidity	0.64N/m²
Poisson's Ratio	0.24	Compressibility	9.8x10-12m²/N
Curie Temperature	310-340ºC

Magnetic parameter and Conversion table

UnitandSymbol	Sl-units	Conversiontable
Flux Density B	T(Telsa)	1T=1Vs/m²=10kGs
Polarization J	T(Telsa)	1T=1Vs/m²=10kGs
Magentic Field strength H	A/m	1A/m=0.4τOe=1.257Oe
Energy density(BH)m	KJ/m³	1KJ/m³=0.126MGOe
Magnetic Flux Φ	Wb(Weber)	1Wb=1Vs=10Mx

Magentic Properties

Grade	Residual Induction	Coercive Force	Intrinsic CoerciveForce	Maximum Energy Product	Maximum WorkingTemperature
	Br	Hcb	Hcj	(BH)max	Tw
	mT	kA/m	kA/m	kJ/m3
	[kGs]	[kOe]	[kOe]	[MGOe]
N35	1170-1220	≥868	≥955	263-287	80°
N35	[11.7-12.2]	[≥10.9]	[≥12]	[33-36]	80°
N38	1220-1250	≥899	≥955	287-310	80°
N38	[12.2-12.5]	[≥11.3]	[≥12]	[36-39]	80°
N40	1250-1280	≥907	≥955	302-326	80°
N40	[12.5-12.8]	[≥11.4]	[≥12]	[38-41]	80°
N42	1280-1320	≥915	≥955	318-342	80°
N42	[12.8-13.2]	[≥11.5]	[≥12]	[40-43]	80°
N45	1320-1380	≥923	≥955	342-366	80°
N45	[13.2-13.8]	[≥11.6]	[≥12]	[43-46]	80°
N48	1380-1420	≥923	≥955	366-390	80°
N48	[13.8-14.2]	[≥11.6]	[≥12]	[46-49]	80°
N50	1400-1450	≥796	≥876	382-406	80°
N50	[14.0-14.5]	[≥10.0]	[≥11]	[48-51]	80°
N52	1430-1480	≥796	≥876	398-422	80°
N52	[14.3-14.8]	[≥10.0]	[≥11]	[50-53]	80°
30M	1080-1130	≥805	≥1114	223-247	100°
30M	[10.8-11.3]	[≥10.1]	[≥14]	[28-31]	100°
33M	1130-1170	≥836	≥1114	247-263	100°
33M	[11.3-11.7]	[≥10.5]	[≥14]	[31-33]	100°
35M	1170-1220	≥868	≥1114	263-287	100°
35M	[11.7-12.2]	[≥10.9]	[≥14]	[33-36]	100°
38M	1220-1250	≥899	≥1114	287-310	100°
38M	[12.2-12.5]	[≥11.3]	[≥14]	[36-39]	100°
40M	1250-1280	≥923	≥1114	302-326	100°
40M	[12.5-12.8]	[≥11.6]	[≥14]	[38-41]	100°
42M	1280-1320	≥955	≥1114	318-342	100°
42M	[12.8-13.2]	[≥12.0]	[≥14]	[40-43]	100°
45M	1320-1380	≥995	≥1114	342-366	100°
45M	[13.2-13.8]	[≥12.5]	[≥14]	[43-46]	100°
48M	1370-1430	≥1027	≥1114	366-390	100°
48M	[13.7-14.3]	[≥12.9]	[≥14]	[46-49]	100°
50M	1400-1450	≥1033	≥1114	382-406	100°
50M	[14.0-14.5]	[≥13.0]	[≥14]	[48-51]	100°
35H	1170-1220	≥868	≥1353	263-287	120°
35H	[11.7-12.2]	[≥10.9]	[≥17]	[33-36]	120°
38H	1220-1250	≥899	≥1353	287-310	120°
38H	[12.2-12.5]	[≥11.3]	[≥17]	[36-39]	120°
40H	1250-1280	≥923	≥1353	302-326	120°
40H	[12.5-12.8]	[≥11.6]	[≥17]	[38-41]	120°
42H	1280-1320	≥955	≥1353	318-342	120°
42H	[12.8-13.2]	[≥12.0]	[≥17]	[40-43]	120°
45H	1320-1360	≥963	≥1353	342-366	120°
45H	[13.2-13.6]	[≥12.1]	[≥17]	[43-46]	120°
48H	1370-1430	≥995	≥1353	366-390	120°
48H	[13.7-14.3]	[≥12.5]	[≥17]	[46-49]	120°
35SH	1170-1220	≥876	≥1592	263-287	150°
35SH	[11.7-12.2]	[≥11.0]	[≥20]	[33-36]	150°
38SH	1220-1250	≥907	≥1592	287-310	150°
38SH	[12.2-12.5]	[≥11.4]	[≥20]	[36-39]	150°
40SH	1250-1280	≥939	≥1592	302-326	150°
40SH	[12.5-12.8]	[≥11.8]	[≥20]	[38-41]	150°
42SH	1280-1320	≥987	≥1592	318-342	150°
42SH	[12.8-13.2]	[≥12.4]	[≥20]	[40-43]	150°
45SH	1320-1380	≥1003	≥1592	342-366	150°
45SH	[13.2-13.8]	[≥12.6]	[≥20]	[43-46]	150°
28UH	1040-1080	≥764	≥1990	207-231	180°
28UH	[10.4-10.8]	[≥9.6]	[≥25]	[26-29]	180°
30UH	1080-1130	≥812	≥1990	223-247	180°
30UH	[10.8-11.3]	[≥10.2]	[≥25]	[28-31]	180°
33UH	1130-1170	≥852	≥1990	247-271	180°
33UH	[11.3-11.7]	[≥10.7]	[≥25]	[31-34]	180°
35UH	1170-1220	≥860	≥1990	263-287	180°
35UH	[11.7-12.2]	[≥10.8]	[≥25]	[33-36]	180°
38UH	1220-1250	≥876	≥1990	287-310	180°
38UH	[12.2-12.5]	[≥11.0]	[≥25]	[36-39]	180°
40UH	1250-1280	≥899	≥1990	302-326	180°
40UH	[12.5-12.8]	[≥11.3]	[≥25]	[38-41]	180°
28EH	1040-1080	≥780	≥2388	207-231	200°
28EH	[10.4-10.8]	[≥9.8]	[≥30]	[26-29]	200°
30EH	1080-1130	≥812	≥2388	223-247	200°
30EH	[10.8-11.3]	[≥10.2]	[≥30]	[28-31]	200°
33EH	1130-1170	≥876	≥2388	247-271	200°
33EH	[11.3-11.7]	[≥10.5]	[≥30]	[31-34]	200°
35EH	1170-1220	≥876	≥2388	263-287	200°
35EH	[11.7-12.2]	[≥11.0]	[≥30]	[33-36]	200°
38EH	1220-1250	≥899	≥2388	287-310	200°
38EH	[12.2-12.5]	[≥11.3]	[≥30]	[36-39]	200°
28AH	1040-1080	≥787	≥2624	207-231	220°
28AH	[10.4-10.8]	[≥9.9]	[≥33]	[26-29]	220°
30AH	1080-1130	≥819	≥2624	223-247	220°
30AH	[10.8-11.3]	[≥10.3]	[≥33]	[28-31]	220°
33AH	1130-1170	≥843	≥2624	247-271	220°
33AH	[11.3-11.7]	[≥10.6]	[≥33]	[31-34]	220°