Spherical WC.W2C eutectic particles prepared by atomization at ultra-high temperature or other spheroid zing method  Specification: ranged from 20 microns to 250 microns, powder of single or mixed particle size are available  The particles are regularly spherical. The microstructure is homogeneous, dense and dendrite structure  The powders are mainly used for petroleum drilling bits, PCD drilling tools, melting and penetrating, spray coating and built-up welding on wear surface Properties Grade Micro hardness (Load 100 g) Density (g/cm3) YZDF 2700-3300 15.8-16.7 Grade & Chemical Compositions Chemical Compositions (%) T.C F.Cd Fed Crd Vd Sid Tid Mo+Co+Nid YZDF 3.8^4.1 0.05 0.5 0.1 0.05 0.0 2 0.1 0.2