ALLEGHENY STAINLESS TYPE 414 is a martensitic stainless steel combining superior toughness and strength with corrosion and heat resisting properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-467. Producer or source: Allegheny Ludlum Corporation.