Gold Member Since 2005
Audited Supplier
AMC Group Limited

Block Shape Ndfeb Magnet, Neodymium Magnet, Ndfeb Permanent Magnet manufacturer / supplier in China, offering Strong Power Block Shape NdFeB Magnet, Magnetic Kitchen Knife Tool Rack Strip, Mn-Zn PC Ferrite Ring Core/Toroid Ferrite Core/Ferrite Core Toroid and so on.

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Strong Power Block Shape NdFeB Magnet

FOB Price: Get Latest Price
Min. Order: 200 Pieces
Production Capacity: 25 Ton/Tons / Month
Transport Package: White Box
Payment Terms: L/C, T/T, D/P, Paypal, Western Union

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Basic Info
  • Model NO.: NM-24
  • Shape: Block
  • Grade: N48
  • Super Power: Rare Earth Magnet
  • Specification: CE. ROHS
  • HS Code: 8505119000
  • Application: Speaker Magnet, Industrial Magnet, Motor Magnet
  • Coating: Nickel
  • Nickel Coating: Round Magnet
  • Trademark: AMC
  • Origin: China
Product Description
strong power Block Shape NdFeB Magnet   has superior magnetic properties than other magnets
1) Strong power magnet
2) Higher unit magnetic properties
3) Smaller size and lighter weight in designing devices
4) Mostly an iron based alloy, NdFeB type rare earth magnet is much more prone to surface oxidation or rust, and elimination. Users should consider magnet coating, plating or suitable surface treatment
5) Less prone to chipping during handling
6) Lower temperature coefficient of magnetic properties than ceramic, higher than SmCo type rare earth magnet
7) Irreversible loss at high temperature
8) Types: N30, N33, N35, N38, N40, N42, N30M, N33M, N35M, N38M, N40M, N27H, N30H, N33H, N35H, N37H, N27SH, N30SH, N33SH, N35SH, N25UH, N28UH, N30UH, N35SH, N38, N45, N48, and N50
9) High energy ranging from 8MGOe to 48MGOe with wonderful coercive force
10) Less expensive, and mechanically stronger and less brittle than SmCo
11) Density: 13%, smaller than SmCo products
12) For most applications, coating or plating is recommended

13) Advantages:
A) High energy
B) Very high Hc and Hci output
C) More economical than SmCo
D) Wonderful performance at ambient temperature

14) Widely used in apparatus and instruments where a strong magnetic field is needed, including motors, sensors, microphones, electro-acoustics, magnetic separation, magnetic suckers and magnetic therapy.

15) Magneitc properties list:

 

Physical Performance of Sintered Neodymium Magnet

Parameter

Unit

Reference

Density

g/cm3

7.4-7.6

Vickers Hardness

HV

500-600

Resistivity

μΩ·m

1.4-1.6

Compressive Strength

MPa

1000-1100

Tensile Strength

MPa

80-90

Thermal Conductivity

W/(m.K)

8-10

Young's Modulus

Gpa

150-200

Vertical Thermal Expansion Coefficient

10-6/K

1-3

Parallel Thermal Expansion Coefficient

10-6/K

3-4
 




Packing: Carton packing


 
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