ALSILOY No. 1 is a 12% silicon-aluminum die casting alloy having excellent castability, good corrosion resistance and fair machinability. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-56. Producer or source: Doehler-Jarvis Division, National Lead Company.