5/8" X 3" Aluminum Flat Bar, 6061, 4" Length, T6511 Mill Stock, Extruded, 0.625 inch Dia, Remington Industries, Mfr#: 0.625X3.0FLT6061T6511-4

6061 aluminum is a lightweight, general-purpose aluminum alloy that can easily be machined or welded. It has a high resistance to corrosion, and an excellent weight-to-strength ratio. The T6511 temper also means it has been heat treated for additional strength (Yield Strength: 35,000 psi). This 6061 aluminum meets ASTM B221 specifications.