Sm2co17(YXG-24) Temperature Coefficent Of Br (%/o C): -0.025 Temperature Coefficent Of IHc(%/o C): -0.2 Curie Temperature (o C): 800 Density (g/cm3): 8.4 Vickers Hardness (HV): 550-600 Working Temperature (o C): 300 Size:D5X0.5 mm Shape:disk quantity:5000 Pcs Price:0.04 5USD