big round neodymium magnets 50x30

Specifications Neodymium Magnets 50x30

1.with stock , for export

2.big round Magnet For Motor

3.excellent performance

neodymium magnets 50x30 the Sintered Ndfeb Magnets  is the important industrail product to promote technological and social progress and is mainly composed of  Neodymium, Iron ,boron and other microelements (Al, Ga, Mo, Co). It is known as " King of magnet".   A. specification 1.material : sintered  NdFeN magnets 2.grade: N35-N52, N38M-N50M, N35H-N48H, N33SH-N44SH, N30UH-N40UH, N30EH-N35EH, N28AH-N35AH 3.shape: ring, block ,arc.disc and as your requirement 4.size:   Dia 50x30mm 5.magnetization direction: thickness, axial, radial 5.surfaceing coating : Zn, Ni. double Ni. Ni+Cuz+Ni ,epoxy and so on   B. Advantage a. Chemical Composition: Nd2Fe14B: Neodymium magnets are hard, brittle and easily corrode; b. Moderate Temperature Stability: Neodymium magnets lose -0.09~-0.13%of Br/°C. Their working stability is under 80°C for low Hcj Neodymium magnets and above 220°C for high Hcj Neodymium magnets; c. Excellet Strength Value: The highest(BH)max reaches up to 51MGO.   C.Application  sensors, speakers, brushless motor, DC motor, Step motor, wind turbine/wind generator, magntic hooks, magnetic filter, cup magnet, Automobiles, magnetic coupling, magnetic chuch, Permanent Magnetic lift, and so on.    D. the  physical properties  

TEM	PROPERTY
Density	7.45g/cm3
Reversible Temp.Coeff	-0.11%/ oC
Curie Temperature	310~340oC
Hardness	600Hv
Resistivity	144 cm
Compressibility	9.8x10 -12m2/N
Tensile Strength	8.0kg/mm
Flexure Strength	25kg/mm
Specific Heat	0.12kCal(kg.oC )

      neodymium magnets 50x30      + delivery : 7--- 15 working day + packing :  Plastic bag -> Inner box -> Master carton: 29cm x 23cm x 14cm Plywood case (1) air package (2) sea package   Sunny Fore Magnet  we are factory for magnet, - Various Dimension & shaped : (up to client's demend) -Tolerance: +/-0.05mm - Coating: Ni, NiCuNi, Zn, Au, Ag, epoxy - Quality is pass RoHS(2002/95/EC)  & EN71/3, REACH - Delivery day is about 7-15 days.     Magnet Packing workshop     magnet making machine     quality first : magnet testing     company certification     sunny fore magnet co.,ltd     FAQ : welcome your inquiry !!!    1. [ where is sunny fore magnet co.,ltd ?]     [ Helen reply :  we are the factory on Jiangmen city, Guangdong province , China . which is not far from    Guangzhou . it noly take  you an hour form Guangzhou Sourth station to  our factory .]   2. [ what is your main product ]      [ Helen reply : our main product is sintered Ndfeb Magnet , bonded ndfeb magnet , Rubber Magnet  ,     Ferrite Magnet  and   more  the product has beed widely use ]   3.[ how do you control product 's qualtity  ? ]    [ Helen reply : with advanced testing equipment , we have a stonger R&D engineers team ready to    service for you ,.our company is approved by the ISO9001:2008 and ISO14001:2004 standard .]   4.[ if would like to make order, what info I tell you and how ]   [ Helen reply : please tell us the detail included size , grade , surface coating ,quantity by  email ,   alibaba trade manager or skype helen liang ]    

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