TBS-600 is a high-carbon, chromium-molybdenum alloy steel having high tensile and fatigue strength, good toughness and good wear resistance. It is suitable for service at temperatures up to 600 F. It is specifically intended for anti-friction bearings, but it may also be used for jet engine and rocket components. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-141. Producer or source: Timken Roller Bearing Company.