A Alloy Type: 3003 , Finish: Polished , Hardness Scale: BHN , Length: 2" , Length Tolerance: +/-0.125" , Material: Aluminum , Pattern: Tread , Temper: H22 , Thickness: 1/16" , Thickness Tolerance: +/-0.006" , Typical Hardness: 40 , Typical Tensile Strength: 22,000 psi , Typical Yield Strength: 21,000 psi , Width Tolerance: +/-0.125"