... 14.8~15g/cm3 2. Hardness: 88~91HRA 3. TRS: 2400~2850N/mm2 4. Include:YG6... Tungsten Carbide/ silicon seal /mechanical seal ... Mining & drilling bits Geological prospecting drilling,Mining,Coalcutting,Petroleum drilling and percussion bits. c) Formed Products Rods,Tubes, Plates. d ... tips, Screw-on inserts, Indexable inserts, Woodworking inserts and glass cutter. Tungsten Carbide mechanical seal LSWC