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Ningbo Dongsheng Strong Magnet Material Co.,Ltd.
Ningbo Dongsheng Strong Magnet Material Co.,Ltd.  

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You are here: home  > Sintered NdFeb Magnets  > Neodymium Irregular Magnets  > NdFeB magnet Special Block permanent magnet

NdFeB magnet Special Block permanent magnet 

Price: 0.1~100.0 USD 
Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Air
Packing: Box Carten
Shape: According to customer requ...
Type: Permanent
Brand Name: Dongsheng magnet
size: According to customer requ...
Production Capacity: One month 1000000 pieces
Delivery Date: 15~30 days
Application: Industrial Magnet
Composite: NdFeB Magnet
Grade: Can be N35 N38 N40 and so ...

1) Stable magnetic performance
2) High quality magnet with best price
3)T Shape

product name :Permanent NdFeB irregular shape, used in motor

The main raw material of the NdFeB permanent magnets are the rare earth metal neodymium (Nd) 32%, the metal elements iron (Fe) 64% and non-metallic elements boron (B) 1% , adding a small amount of dysprosium (Dy), terbium (Tb), cobalt(Co), Niobium (Nb), gallium (Ga), aluminum (Al), copper (Cu) and the like elements. NdFeB ternary compounds is based on the Nd2Fe14B, its composition should be similar with Nd2Fe14B Formula. 


It is have three main parameters: First, Br (Residual Induction), GAUSS of units, which is the residual magnetic flux density when the magnetic field is removed from saturation, representing the external magnetic field strength which it can provide; Second, Hc (Coercive Force), Oersteds of units, Putting the magnet on a reverse magnetic field, its properties will disappear when the applied magnetic field is increased to a certain intensity, the ability to resist the applied magnetic field is known as the coercive force, represents the ability to measure the resistance to demagnetization; Third, BHmax, Gauss-Oersteds of units, which is the magnetic energy from the unit volume of material, it is a physical quantity.

  

Features:

1) Irregular block NdFeB magnets used in motor
2) Size:60*25*2mm
3) Grade: 40SH
4) Coating: Nickle(≥15um)
5) Magnetized through thickness
6)Excellent demagnetization resistance capability. 
7)ISO/TS16949 passed

Packing:
Inner packing: small white box, plack plastic between each magnet
Outer packing: Carton with OPP bag

Other physical properties of Nd-Fe-B: 
Br temperature coefficient: -0.11%/°C 
Density: 7.4g/cm3 
Webster's temperature: 600Hv 
Tensile heat-distortion: 8.0kg/mm2 
Specific heat: 0.12k Cak(kg°C) 
Modulus of elasticity: 1.6x1011N/m2 
Poisson ratio: 0.24 
Curie temperature: 310-340°C 
Resistivity: 144Ω.cm 
Flexural strength: 25kg/mm2 
Coefficient of thermal expansion: 4x10-6/°C 
Thermal conductivity: 7.7cal/m.h.°C 
Stiffness: 0.64N/m2 
Compression ratio: 9.8x10-12m2/N 
iHc temperature coefficient: -0.60%/°C


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Tel: 86-574-83005217
Fax: 86-574-83005217
Mobile: 150 6744 2120
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Company Info

Ningbo Dongsheng Strong Magnet Material Co.,Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

Alex:   skype
Alex:   qq

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