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Ningbo Joy Industrial & Trading Co.,Ltd.  

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Neodymium Iron Boron Magnet 

Price: 0.2~5.0 USD 
Payment Terms: T/T,L/C, 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: permanent ring magnet
Production Capacity: 100 Metric Ton/Metric Tons ...
Delivery Date: 15-20 days
Composite: NdFeB Magnet
Application: Moto Magnet
Grade: From N35 to N50 and other g...
Export Area: All of the World
Cutting Tolerane: +/-0.05mm
Means of Transport: Ocean,
Packing: According to customer's req...
Type: Permanent
Shape: Ring
Coating: Nickel
Place of Origin: Zhejiang, China (Mainland)
Brand Name: Joy

1. Primary Material: Neodymium, iron, boron, rare-earth material
2. Maximum working temperature: 80-220 degree celcius

Neodymium Iron Boron (NdFeB) magnets, the most powerful permanent magnets available today, possess high energy up to 52MGOe and wonderful coercive force.
1. Primary Material: Neodymium, iron, boron, rare-earth material
2. Maximum working temperature: 80-220 degree celcius
3. Density: 7.5 to 7.6g/CMM³
4. Application: Motors, Windmill, Acoustics, Magnetic separators, Auto, VCM, MRI, Mobile accessories
5. Grade available:
N35-N52, N33M-N50M, N30H-N48H, N30SH-N45SH, N28UH-N40UH, N328EH-N35EH, N30AH-N33AH

Strong Disc Neodymium Iron Boron Magnet


  • High remanence, high coercive force, high energy, etc
  • High resistance to magnetic demagnetization
  • Excellent cost to performance ratio
  • Not suitable for application which exposed to high temperatures.
  • Widely used in mini-motors, wind generators, meters, sensors, speakers, magnetic suspension system, magnetic transmission machine and other industrial applications.
  • Very easy to corrosion in humid environments, so it is necessory to do the surface treatment according customers' requirements. We can offer the coatings, such as Zinc, Nickel, Nickel-copper-nickel, Silver, gold-plating, Epoxy coating, etc
Strong Disc Neodymium Iron Boron Magnet


Magnetic properties of main grades
GradeResidual InductionCoercive ForceIntrinsic CoercivityMaximum Energy ProductTW
BrBHCIHC(BH)max.
kGsTkOekA/mkOekA/mMGOekJ/m3
N3311.3-11.71.13-1.17≥10.5≥836≥12≥95531-33247-26380
N3511.7-12.11.17-1.21≥10.9≥868≥12≥95533-36263-28780
N3812.1-12.51.21-1.25≥11.3≥899≥12≥95536-39287-31080
N4012.5-12.81.25-1.28≥11.6≥923≥12≥95538-41302-32680
N4212.8-13.21.28-1.32≥11.6≥923≥12≥95540-43318-34280
N4513.2-13.81.32-1.38≥11.0≥876≥12≥95543-46342-36680
N4813.8-14.21.38-1.42≥10.5≥835≥11≥87646-49366-39080
33H11.3-11.71.13-1.17≥10.5≥836≥17≥135331-34247-271120
35H11.7-12.11.17-1.21≥10.9≥868≥17≥135333-36263-287120
38H12.1-12.51.21-1.25≥11.3≥899≥17≥135336-39287-310120
40H12.4-12.81.24-1.28≥11.6≥923≥17≥135338-41302-326120
42H12.8-13.21.28-1.32≥12.0≥955≥17≥135340-43318-342120
33SH11.3-11.71.13-1.17≥10.6≥844≥20≥159231-34247-272150
35SH11.7-12.11.17-1.21≥11.0≥876≥20≥159233-36263-287150
38SH12.1-12.51.21-1.25≥11.4≥907≥20≥159236-39287-310150
40SH12.4-12.81.24-1.28≥11.8≥939≥20≥159238-41302-326150
28UH10.2-10.81.02-1.08≥9.6≥764≥25≥199026-29207-231180
30UH10.8-11.31.08-1.13≥10.2≥812≥25≥199028-31223-247180
33UH11.3-11.71.13-1.17≥10.7≥852≥25≥199031-34247-271180
28EH10.4-10.91.04-1.09≥9.8≥780≥30≥238826-29207-231200
30EH10.8-11.31.08-1.13≥10.2≥812≥30≥238828-31223-247200
Note:
aB - reversible temperature coefficient of induction.
Shapes and sizes available (as standard):
Shapes: Blocks/plates, disks/rods, rings, segments
Two (four) poles
Note: More complicated shapes and any magnetic configuration can be provided by special order.
Standard sizes:
Blocks/plates
Min, mmMax, mm
W270
T1.550
L115
Disks/rods with axial magnetic texture
Min, mmMax, mm
Dia570
h1.212
Disks/rods with diametrical magnetic texture
Min, mmMax, mm
Dia212
h1.240
Segments with axial magnetic texture
Min, mmMax, mm
OD9696
ID4855
h512
Opening angle, degree3545
Segments with diametrical magnetic texture
Min, mmMax, mm
OD50120
ID32180
h850
Opening angle, degree3060
Rings with axial magnetic texture
Min, mmMax, mm
OD570
ID326
h1.240


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Company Info

Ningbo Joy Industrial & Trading Co.,Ltd. [China (Mainland)]


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

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