RA 321 is a titanium-stabilized austenitic stainless steel commonly used for service in the 540 to 870 deg C (1000 to 1600 deg F) temperature range. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance as well as machining. Filing Code: SS-890. Producer or source: Rolled Alloys Inc.