... the ring of finished the blank, any size and design avaialalbe, tengsten Tungsten carbide sealing ringMaterials: cemented carbide, tungsten carbide, alloy ... ×d×H Other seal rings QTD×d×HOther processing: chamfering, R or rectangular radial grooves on the end face, pin ... rectangular grooves, end face with other geometry, polishing etc. Cobalt Binder GradesGradeBinder (Wt %)Density (g/cm3)Hardness (HRA) ...