Cobalt Stellite 6B AMS Number Alloy Type UNS Cross Ref. Spec Misc./Shape AMS 5894 Stellite 6B Cobalt R30016 AMS 5894 Bar Stellite 6B Cobalt R30016 - Bar AMS 5894 Plate Stellite 6B Cobalt R30016 - Plate AMS 5894 Sheet Stellite 6B Cobalt R30016 - Sheet