... powdwes as raw materials are mixed,packed in graphite boat ,melted in a melting furnace at about ... machinery and steel industry etc.because of its high hardness(HRA93.0-93.7),good wear resisitance, ... 2.Main Physical Specificationsitemchief components %Impurity Content,% MaxWT.C.F.C.FeCrVN.V.RTi+Ta+NbCo+Ni+MoYZ-Ⅰ95~963 ... ,kg/mm²Density,g/cm³Melting Point,ºC 93.0~93.72500~300016.52525 cast tungsten carbide ...