Aluminum Sheet 3003 Material Aluminum Material Grade 3003 Temper H14 Sheet Overall Length 24 in Length Tolerance +/-0.125 in Overall Width 12 in Width Tolerance +/-0.125 in Thickness 0.188 in Thickness Tolerance +/-0.01 in Fabrication Cold Finished Heat Treatment Hardened Heat Treatable No Mechanical Finish Mill Yield Strength 21 000 psi Tensile Strength 22 000 psi Brinell Hardness 40 Rockwell Hardness Not Rated Includes Material Certificate Yes