... or pressed; 4. 310mm~330mm, usualy; 5. tungsten carbide material Long life,Good Wear Resistance,Excellent toughness,any ... available We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims,, wear ... tungsten carbide powder sintered into a grain size of cemented carbide at 0.5um applying to glass fiber,wood ,plastic,aluminum-magnesium alloy ...