Carbon Steel Rod, Material Carbon Steel, Material Grade 1144, Overall Length 12 in, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Mechanical Finish Mill, Outside Diameter 3 in, Outside Diameter Tolerance 0 in/-0.004 in, Yield Strength 95,500 psi, Fabrication Cold Rolled, Rockwell Hardness 25 HRC, Brinell Hardness 253 BHN, Tensile Strength 115,000 psi, Machinability 83 Percent, Length Tolerance +/-1 in, Includes Material Certificate Material Certificate with Lot Number