... balls and rollers2, Cutting tools3, Engine moving parts-valves,turbocharger rotors4, Engine wear parts-cam followers,tappet shims5, ... turbine components2, Suction box covers3, Seals,bearings4, Ball valve parts5, Hot gas flow liners6, Heat exchangers7, Semiconductor ... hardnessTypical Uses1, Precision ball valve balls and seats2, High density ball and pebble mill grinding media3, Rollers and guides ...