Carbon Steel Rod, Material Carbon Steel, Material Grade 1144, Overall Length 36 in, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Mechanical Finish Mill, Outside Diameter 1 1/8 in, Outside Diameter Tolerance +/-0.003 in, Yield Strength 90 ksi, Fabrication Cold Rolled, Rockwell Hardness 95 HRB, Brinell Hardness 210 BHN, Tensile Strength 108 ksi, Machinability 83 Percent, Length Tolerance +/-0.003 in, Includes Material Certificate No Certificates Included