Alloy Steel Sheet, Material Alloy Steel, Material Grade 4130, Heat Treatable Heat Treatable, Heat Treatment Annealed, Mechanical Finish Mill, Overall Length 24 in, Overall Width 24 in, Thickness 0.025 in, Thickness Tolerance +/-0.005 in, Yield Strength 67,000 psi, Fabrication Cold Rolled, Rockwell Hardness 82 HRB, Machinability 70 Percent, Tensile Strength 81,000 psi, Length Tolerance Not Rated, Width Tolerance Not Rated, Standards AMS 6350, AMS 6351, ASTM A505