Alloy 20 Stainless Steel Sheet Stainless Steel Alloy 20 Sheet 12 in Overall Length 12 in Overall Width 0.25 in Thickness Fabrication Hot Rolled Heat Treatment Annealed Heat Treatable No Mechanical Finish Mill Yield Strength 35 000 psi Tensile Strength 80 000 psi Brinell Hardness 217 Rockwell Hardness B95 System of Measurement Inch