Alloy Steel Rectangular Bar, Material Alloy Steel, Material Grade 4142, Thickness 0.75 in, Thickness Tolerance +0.01 in/-0.045 in, Overall Length 6 ft, Overall Width 2 in, Fabrication Hot Rolled, Heat Treatable Heat Treatable, Heat Treatment Oil-Hardened, Yield Strength 93,000 psi, Tensile Strength Not Rated, Brinell Hardness 261 BHN, Rockwell Hardness 28 HRC, Machinability 63 Percent, Standards ASTM A322, Includes Material Certificate Material Certificate with Lot Number