Hex Bar Stock, Hex Bar Stock, Thickness (Decimal) 0.375 in, Width and Length 3/8 in x 12 in, Alloy Type – Aluminum 2011, Aluminum, AMS-QQ-A-225/3, ASTM B211 Standards, Unpolished Finish, Temper T3, Width Tolerance +/-0.002 in, Length Tolerance +0.125 In., -0 In., Typical Tensile Strength (PSI) 55,000 psi, Typical Yield Strength (PSI) 43,000 psi, Typical Hardness 95, Hardness Scale BHN