ILLIUM 98 is a machinable, nickel-base casting alloy, highly corrosion resistant to many media. While originally designed for hot sulfuric acid service, it has proven to be an extremely wide range corrosion resistant material. This datasheet provides information on composition, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, machining, joining, and surface treatment. Filing Code: Ni-96. Producer or source: Stainless Foundry & Engineering Inc..