We can make metallic nano cobalt powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 20~1000nm at your requirement ... , electrical appliances, machinery manufacturing, chemical and ceramic industry. Cobalt-based alloy or containing cobalt alloy steel used as important metal material in ... .05~0.7FCoN-80≥60~100>80.06~0.8high purity : uniform particle size, ball shape, dispersancy well, high temperature oxidation ...