AISI Type 403 is a general purpose, heat-treatable stainless steel of the straight chromium type. It is adaptable for general purpose corrosion and heat resisting applications. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength as well as fracture toughness, creep, and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-94. Producer or source: Stainless steel mills.