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Sintered Disc Neodymium Magnet

Place of Origin: Zhejiang

Company Profile

Location: Ningbo, Zhejiang, China (Mainland)
Business Type: Manufacturer
Main Products: Magnetic Products

Product Description

Magnetic Characteristics and Physical Properties of Sintered NdFeB
GradeRemanenceCoercive ForceIntrinsic Coercive forceMax Energy ProductHighest Work temperature
BrHcbHci(BH) max
TKGsKOeKA/mKOeKA/mMGOeKJ/mºC
N351.16-1.2211.6-12.2118761295533-36263-28780
N381.22-1.2712.2-12.7118761295536-39287-31080
N401.25-1.3112.5-1.31118761295538-41303-32680
N421.28-1.3412.8-13.4118761295540-43318-34280
N451.32-1.3813.2-13.8118761295543-46342-36680
N481.37-14.313.7-14.310.583611.591546-49366-39080
N501.40-1.4614.0-14.610.583611.591548-51382-40680
N521.43-1.4914.3-14.910.583611.591550-53398-42280
N30M1.08-1.1410.8-11.49.878014111428-31223-247100
N33M1.14-1.1811.4-11.810.382014111431-33247-263100
N35M1.6-1.2211.6-12.210.684514111433-36263-287100
N38M1.23-1.2712.3-12.71187614111438-41303-326100
N40M1.25-1.3112.5-13.111.591214111438-41303-326100
N42M1.28-1.3412.8-13.411.893814111440-43318-342100
N45M1.32-1.3813.2-13.812.297614111443-46342-366100
N48M1.37-1.4313.7-14.312.7101213.5107546-49366-390100
N50M1.40-1.4614.0-14.613103513.5107548-51382-406100
N35H1.16-1.2211.6-12.210.684517135333-36263-287120
N38H1.21-1.2712.1-12.711.188617135336-39287-310120
N40H1.25-1.3112.5-13.111.591217135338-41303-326120
N42H1.28-1.3412.8-13.411.893816.5131340-43318-342120
N45H1.32-1.3813.2-13.812.297616127443-46342-366120
N30SH1.07-1.1410.7-11.49.777220159228-31223-247150
N33SH1.22-1.191.14-1.1810.281620159231-34247-271150
N35SH1.16-1.2211.6-12.210.684520159233-36263-287150
N38SH1.21-12.712.1-12.711.188620159236-39278-310150
N40SH1.25-1.3112.5-13.111.591220159238-41302-326150
N42SH1.28-1.3412.8-13.411.893820159240-43318-342150
N30UH1.07-1.1410.7-11.49.777225199028-31223-247180
N33UH1.12-1.1911.2-11.910.281625199131-34247-271180
N35UH1.16-1.2211.6-12.210.684524191033-36263-287180
N38UH1.21-1.2712.1-12.711.188624191036-39287-310180
N30EH1.07-1.1410.7-11.49.777230238828-31223-247200
N33EH1.12-1.1911.2-11.910.281630238831-34247-271200
N35EH1.16-1.2211.6-12.210.684530238833-36263-287200

Physical Properties of Sintered NdFeB Material
PropertiesUnitParameter
Curie PointºC310-340
((Br)/ (%/K)Temp.Coeff.of Br%ºC-0.08 ~ - 0.12
(β(Hcj/%/K)Temp.Coeff.of Hcj%ºC-0.42 ~ -0.70
Densityg/cm3≥7.3
Vickers HardnessHv600
Bending strengthMpa250
Tensile strengthMpa80
Compressive strengthMpa1050
Electrical resistivityμΩcm150
Thermal conductivityW/(m.ºC)6 ~8

Directions of magnetization
Orientation arrangementsExamplesMaterial
Axially orientedLoud speaker
Holding devices
Magnetic switches
Inert gas switches
Isotropic
Anisotropic
Magnetized through the heightFiltering systems
Clamping devices
Magnetic chokes,switches
Isotropic
Anisotropic
Magnetized axially
In segments with alternating poles picture 6-pole configuration
Synchronous motors disc couplingIsotropic
Anisotropic
Radially orientedHolding magnets couplings limited sizes availableIsotropic
Oriented through diameterSynchronous motors special applicationsIsotropic
Anisotropic
With limitations
Oriented laterally on surface picture shows 6-pole configurationDisc couping
holding devices
Isotropic
Anisotropic
Multiple pole
Orientation on
Outer surface
Picture shows
4-pole configuration
Dynamos
Motors
Concentric ring coupings
Isotropic
Multiple pole
Orientation on inside surface
Picture shows
4-pole configuration
Concentric ring couping
Motors
Concentric ring couping
Motors
Lateral orientation
In lines on surface
P = Pole distance
Holding devices
Magnetic chokes
Isotropic
Anisotropic
Radial orientationmotorsIsotropic
Anisotropic
Diametrical orientationmotorsIsotropic
Anisotropic
The pole surface can be marked with a pole sign or with an engravingLaterally oriented magnets can be marked to buyer's require-ment for pole identification
Post Buying Request