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SmCo Magnets - Samarium Cobalt Magnets

 

Catalogue of Sintered SmCo Magnets with Price Lists (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

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 ohm.cm)	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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