ALUMINUM B443.0 is an aluminum-5% silicon casting alloy recommended for castings of intricate design and thin walls. It is pressure-tight and has good corrosion resistance and good ductility and toughness. Its wide range of uses include architectural, marine and ornamental components. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-214. Producer or source: Various aluminum companies.