Product Code:SAE AMS4118 Title:Aluminum Alloy, Rolled or Cold Finished Bars, Rods, and Wire, 4.0Cu - 0.70Mn - 0.60Mg - 0.50Si, (2017; -T4, -T451), Solution Heat Treated Issuing Committee:Ams D Nonferrous Alloys Committee Scope:This specification covers an aluminum alloy in the form of bars, rods, and wire.These products have been used typically for parts requiring good strength and whose fabrication does not involve welding, but usage is not limited to such applications.