Silver Stainless Steel Sheet Stainless Steel 304 Square 4 ft Overall Length Length Tolerance +/-0.125 in 4 ft Overall Width Width Tolerance +/-0.125 in 0.046 in Thickness Thickness Tolerance +/-0.002 in Gauge 18 ga Color Type Silver Finish Texture 5-SM Fabrication Cold Finished Heat Treatment No Heat Treatment Heat Treatable No Mechanical Finish #4 Yield Strength 5 802 psi Tensile Strength Not Applicable 201 Brinell Hardness B92 Rockwell Hardness