A356/AL356

A356 aluminum casting alloy is a 7% Si, 0.3% Mg alloy with 0.2 Fe (max) and 0.10 Zn (max). A356 aluminum casting alloy has very good casting and machining characteristics. A356 aluminum casting alloy is used for aircraft parts, pump housings, impellers, high velocity blowers and structural castings where high strength is required. A356 aluminum casting alloy can also be used as a substitute for aluminum alloy 6061. It is typically used in the heat-treated condition of T5 and T6 hardness properties.
A356 aluminum casting alloy has good castability, this makes it a logical choice for intricate and complex castings where lightweight, pressure tightness and excellent mechanical properties are needed.