Plate Stock, Stainless Steel, 304, Plate, 12 in Overall Length, Length Tolerance +0.125/-0.000 in, 12 in Overall Width, Width Tolerance +0.125/-0.000 in, 0.5 in Thickness, Thickness Tolerance +0.055/-0.01 in, Fabrication Hot Rolled, Heat Treatment Annealed, Heat Treatable No, Mechanical Finish Mill, Yield Strength 25,000 psi, Tensile Strength 70,000 psi, Brinell Hardness 160, Rockwell Hardness B80, Includes Material Certificate Yes