Nexalloy R-A356.0 is an Aluminum Silicon Copper with high-strength alloy which is used in various applications where castings are usually heat treated for maximum strength. It possesses moderate to high strength (37 ksi typical), low melting temperature and good weldability, formability. R-A356.0 may be used to weld alloy 356.0, A356.0, A357.0, 3003, 6005, or 6061. Common applications include aircraft parts and high strength casting structures in Automotive and Aerospace industries.