Carpenter Pyromet 355 is a chromium nickel-molybdenum stainless steel which can be heat treated to high strength levels. It is recommended for gas turbine compressor parts where high strength is required at intermediate elevated temperatures. 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 corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-213. Producer or source: Carpenter Technology Corporation.