CARPENTER 19-9 DL has been designed primarily for oxidation and corrosion resistance in service up to 1250 F. It is an austenitic stainless steel and, as with all such materials, is not hardenable by heat treatment. When higher is required, the alloy is] hot-cold worked. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-485. Producer or source: Carpenter.