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Technical Details SmCo Magnets

Specification
Unit
SmCo5
Sm2Co17
       
rel. Permeability [up] 1,05 - 1,1 1,0 - 1,1
Temperature coefficient TK(B) [%/°K] -0,05 -0,03
Temperature coefficient TK(Hc) [%/°K] -0,2 -0,2
Saturation field strength Hs [kA/m] 2500 4000
max. Curie-temperature [°C] 700 - 750 800 - 850
max. Working temperature [°C] 250 250
Density [g/cm3] 8,0 - 8,2 8,3 - 8,5
Flexural strength Fb [N/mm2] 180 120
Compressive strength Fp [N/mm2] 1000 800
Vickers hardness [Hv] 400 - 500 500 - 600
Specific electric resistance [Ohm cm] 85 106 85 106