Stainless Steel Plate, 12 in – L, Stainless Steel, 17-4, Plate, 12 in Overall Length, Length Tolerance +/-0.25 in, 12 in Overall Width, Width Tolerance +/-0.25 in, 2.25 in Thickness, Thickness Tolerance +/-0.125 in, Fabrication Hot Rolled, Heat Treatment Annealed, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 145,000 psi, Tensile Strength 160,000 psi, Brinell Hardness 160 BHN, Rockwell Hardness 85 HRB, Includes Material Certificate No Certificates Included