J and L type 405 has marginal stainless corrosion resistance. It is used primarily as a structural material. It is serviceable in continuous service up to 704 C (1300 F) and in intermittent exposures up to 816 degrees Celsius (1500 degrees Fahrenheit). It does not harden appreciably when air cooled from high temperatures where some austenite can exist. It is used in structural parts that are not annealed after welding. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-749. Producer or source: J & L Specialty Steel Inc.