Type CA-40 is used extensively in the cast form for applications requiring high resistance to oxidation and also resistance to erosion. This alloy responds to a hardening heat treatment. 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 casting, heat treating, machining, and joining. Filing Code: SS-57. Producer or source: Stainless steel foundries.