BOHNALITE L-4 is an aluminum permanent mold casting alloy recommended for applications where good high-temperature strength, low coefficient of thermal expansion, and good resistance to wear are required. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fatigue. It also includes information on high temperature performance as well as casting and joining. Filing Code: Al-82. Producer or source: Bohn Aluminum & Brass Corporation.