This 6061 aluminum meets ASTM B221 specifications.
125" Thick It has a high resistance to corrosion, and an excellent weight-to-strength ratio.Aluminum Flat Bar, 1/8" x 2", 6061, 36" Length, T6511 Mill Stock, Extruded, 0. The T6511 temper also means it has been heat treated for additional strength (Yield Strength: 35,000 psi).