Carbon Steel Rectangular Bar, Material Carbon Steel, Material Grade A36, Thickness 0.125 in, Thickness Tolerance +/-0.007 in, Overall Length 36 in, Overall Width 2 1/2 in, Fabrication Hot Rolled, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Mechanical Finish Mill, Yield Strength 48,000 psi, Tensile Strength 58,000 psi, Brinell Hardness 140 BHN, Rockwell Hardness 77 HRB, Machinability 72 Percent, Standards ASTM A36, Appearance Metallic