Carbide Sealing Ring WC-Co alloy, WC-Ni alloy, WC-Ni/Co alloy, ... -Ni/Cr alloy etc. High wear and corrosion resistance. Carbide sealing Ring has the characters of high wear resistance, high corrosion resistance ... -Ni/Co alloy, WC-TiC-Ni/Cr alloy etc.Cutstar Carbide Standard Grades Cobalt Binder GradesGradeBinder (Wt %)Density (g/cm3)Hardness ...