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Magnets

Sintered Alnico Magnets from TyTek Industries

SA-2

Grade: Sintered Alnico 2
Magnetic Properties 25°C C.G.S. Units S.I. Units
Residual Induction (Br) 6,600 Gauss 660 mT
Coercive Force (Hc) 550 Oersteds 44 kA/m
Intrinsic Coercive Force (Hci) 550 Oersteds 44 kA/m
Maximum Energy Product (BHmax) 1.40 MGOe 11.1 kJ/m³
Temperature Coefficient of Br -0.03%/°C
Temperature Coefficient of Hci -0.02%/°C
Relative Recoil Permeability 5.6 G/Oe
Curie Temperature 810°C

 

Physical Properties
Density 6.8 g/cm³
Thermal Expansion Coefficient 12.4 x 10-6 /°C
Electrical Resistivity* 68  Ωcm/cm²
Tensile Strength* 450 N/mm²
Flexural Strength* 480 N/mm²
Rockwell Hardness 45

*Reference Values dependent on size, shape, density, orientation and other characteristics

 

SA-5

Grade: Sintered Alnico 5
Magnetic Properties 25°C C.G.S. Units S.I. Units
Residual Induction (Br) 10,800 Gauss 1,080 mT
Coercive Force (Hc) 600 Oersteds 48 kA/m
Intrinsic Coercive Force (Hci) 600 Oersteds 48 kA/m48 kA/m
Maximum Energy Product (BHmax) 3.8 MGOe 30 kJ/m³
Temperature Coefficient of Br -0.02%/°C
Temperature Coefficient of Hci -0.02%/°C
Relative Recoil Permeability 5.2 G/Oe
Curie Temperature 900°C

 

Physical Properties
Density 7.0 g/cm³
Thermal Expansion Coefficient 11.3 x 10-6 /°C
Electrical Resistivity* 50  Ωcm/cm²
Tensile Strength* 350 N/mm²
Flexural Strength* 415 N/mm²
Rockwell Hardness 50

*Reference Values dependent on size, shape, density, orientation and other characteristics

SA-8

Grade: Sintered Alnico 8
Magnetic Properties 25°C C.G.S. Units S.I. Units
Residual Induction (Br) 7,000 Gauss 800 mT
Coercive Force (Hc) 1,700 Oersteds 135 kA/m
Intrinsic Coercive Force (Hci) 1,700 Oersteds 135 kA/m
Maximum Energy Product (BHmax) 5.0 MGOe 39.8 kJ/m³
Temperature Coefficient of Br -0.025%/°C
Temperature Coefficient of Hci -0.01%/°C
Relative Recoil Permeability 1.8 G/Oe
Curie Temperature 860°C

 

Physical Properties
Density 7.0 g/cm³
Thermal Expansion Coefficient 11 x 10-6 /°C
Electrical Resistivity* 54  Ωcm/cm²
Tensile Strength* 380 N/mm²
Flexural Strength* 380 N/mm²
Rockwell Hardness 53

*Reference Values dependent on size, shape, density, orientation and other characteristics

 

Enquiries

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