ESCO Alloy 45S is an Iron-chromium-nickel-molybdenum cast alloy. It is of the ACI-CF8M type similar to wrought AISI 319. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on low and high temperature performance, and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-120. Producer or source: ESCO Ltd.