SmCo Magnet
Material Grade
SmCo Block
SmCo Disc
SmCo Ring
Other Magnets

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SmCo Magnets - Samarium Cobalt Magnets

Product Information of Sintered SmCo Magnets (pdf)
Magnetic Properties (Material Grades) of SmCo Magnets
Typical Demagnetization Curves
Price List of Sintered SmCo Magnets (Block, Disc, Ring)
Customer Specific SmCo Magnets
Direction of Magnization
More Information on SmCo Magnets
Other Magnetic Materials
Purchase Order Form for SmCo Magnets (Doc file)
Payment Terms (PDF Datei)
Form for Payment with Credit Card (Doc Datei)

Material Information
  • An alloy compose of SmCo5/Sm2Co17 produce by powder metallurgical method
  • Extremely hard & brittle
  • High demagnetization resistance
  • Excellent anti-corrosion properties
  • More expensive than NdFeB magnets because of limited raw material supply
  • Outstanding thermal stability

Typical Physical Properties
Curie Temperature (C) 700-800
Maximum Operating Temperature (C) 250 for SmCo5, 350 for Sm2Co17
Resistivity (µ 50-90
Hardness (Hv) 450-600
Density (g/cm3) 8.0-8.5
Relative Recoil Permeability (µrec) 1.10
Saturation Field Strength, kOe (kA/m) 37.5 (3000)
Temperature Coefficient of Br (%/C) -0.05 ~ -0.03
Temperature Coefficient of iHc (%/C) -0.25 ~ -0.19

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