Abstract AISI 304 and 304L are low-carbon chromium nickel stainless steels which are superior to Type 302 in corrosion resistance. 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 low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-254. Producer or source: Stainless steel mills.