... 3. extruded or pressed; 4. 310mm~330mm, usually; 5. tungsten carbide material Hardness:HRA92.8 Density:14.5~14.8g ... Reflectal&Birmasil We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, ... ,heat-resistant alloys,gray cast iron,stainless steel,hardened steel(Hardnesstungsten ...