Fine grain W-Co alloy, with high hardness and good wear-resistance, used for semi-finishing of hard cast iron, steels and so on. Hardness:HRA92.8 Density:14.5~14.8g/cm3 T.R.S:3200N/M2 Coating:DLC coating Workpiece:Reflectal&Birmasil We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, wear parts, drawing dies,drilling bits,cold ...