Stainless Steel Flat Bar, Stainless Steel, 303, Rectangular Bar, 36 in Overall Length, Length Tolerance +0.125/-0 in, 4 in Overall Width, Width Tolerance +/-0.005 in, 1.25 in Thickness, Thickness Tolerance +/-0.003 in, Fabrication Cold Finished, Heat Treatable No, Mechanical Finish Mill, Yield Strength 34,800 psi, Tensile Strength 89,900 psi, 160 Brinell Hardness, 83 Rockwell Hardness, Includes Material Certificate Yes, Standards AMS 5640, System of Measurement Inch