DATOYO

DATOYO

NDFEB MAGNET

NdFeB magnet is mainly made of Neodymium、Iron and Boron, with excellent magnetic property、abundant raw material and reasonable prices, NdFeB Magnets can be used as an ideal magnet in mini-motor、Permanent magnetic resonance、sound device magnetic suspension system, magnetic transmission machine and medical apparatus and etc. The surface is usually treated with some special methods.

The surface treatment method include Zinc、Nickel、Tin、Silver、Gold plating、Phosphor and Spray Epoxy Resin etc.

Process Flow Chart
Magnetic Property
Characteristics Br Hcb Hcj （BH）max Max. WorkingTemperature
Grade T  kA/m  kA/m  KJ/m3  ℃
N35 1.17-1.22 ≥868 ≥955 33-36 80
N38 1.22-1.25 ≥899 ≥955 36-39 80
N40 1.25-1.28 ≥907 ≥955 38-41 80
N42 1.28-1.32 ≥915 ≥955 40-43 80
N45 1.32-1.38 ≥923 ≥955 43-46 80
N48 1.38-1.42 ≥923 ≥955 46-49 80
N50 1.4-1.45 ≥925 ≥955 48-51 80
N52 1.43-1.48 ≥876 ≥876 50-53 80
N54 1.45-1.50 ≥876 ≥876 52-55 70
N35M 1.17-1.22 ≥868 ≥1114 33-36 100
N38M 1.22-1.25 ≥899 ≥1114 36-39 100
N40M 1.25-1.28 ≥923 ≥1114 38-41 100
N42M 1.28-1.32 ≥955 ≥1114 40-43 100
N45M 1.32-1.38 ≥995 ≥1114 43-46 100
N48M 1.37-1.43 ≥1027 ≥1114 46-49 100
N50M 1.40-1.45 ≥1033 ≥1114 48-51 100
N52M 1.43-1.48 ≥1043 ≥1114 50-53 100
N35H 1.17-1.22 ≥868 ≥1353 33-36 120
N38H 1.22-1.25 ≥899 ≥1353 36-39 120
N40H 1.25-1.28 ≥923 ≥1353 38-41 120
N42H 1.28-1.32 ≥955 ≥1353 40-43 120
N45H 1.32-1.37 ≥973 ≥1353 43-46 120
N48H 1.37-1.42 ≥995 ≥1353 46-49 120
N50H 1.40-1.45 ≥1003 ≥1353 48-51 120
N35SH 1.17-1.22 ≥876 ≥1592 33-36 150
N38SH 1.22-1.25 ≥907 ≥1592 36-39 150
N40SH 1.25-1.28 ≥939 ≥1592 38-41 150
N42SH 1.28-1.32 ≥963 ≥1592 40-43 150
N45SH 1.32-1.38 ≥979 ≥1592 43-46 150
N48SH 1.37-1.43 ≥1011 ≥1592 46-49 150
N28UH 1.04-1.08 ≥764 ≥1990 26-29 180
N30UH 1.08-1.13 ≥812 ≥1990 28-31 180
N33UH 1.13-1.17 ≥852 ≥1990 31-34 180
N35UH 1.17-1.22 ≥860 ≥1990 33-36 180
N38UH 1.22-1.25 ≥899 ≥1990 36-39 180
N40UH 1.25-1.28 ≥939 ≥1990 38-41 180
N42UH 1.28-1.32 ≥963 ≥1990 40-43 180
N45UH 1.32-1.38 ≥979 ≥1990 43-46 180
N28EH 1.04-1.08 ≥780 ≥2388 26-29 200
N30EH 1.08-1.13 ≥812 ≥2388 28-31 200
N33EH 1.13-1.17 ≥836 ≥2388 31-34 200
N35EH 1.17-1.22 ≥876 ≥2388 33-36 200
N38EH 1.22-1.25 ≥899 ≥2388 36-39 200
N40EH 1.25-1.28 ≥923 ≥2388 38-41 200
N42EH 1.28-1.32 ≥931 ≥2388 40-43 200
N28AH 1.04-1.08 ≥787 ≥2624 26-29 230
N30AH 1.08-1.13 ≥819 ≥2624 28-31 230
N33AH 1.13-1.17 ≥843 ≥2624 31-34 230
N35AH 1.17-1.22 ≥876 ≥2624 33-36 230
N38AH 1.22-1.25 ≥899 ≥2624 36-39 230
N40AH 1.25-1.28 ≥923 ≥2624 38-41 230

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