1144 Carbon Steel Rod Material Carbon Steel Material Grade 1144 Overall Length 6 ft Heat Treatable Yes Heat Treatment Stress Relieved Mechanical Finish Mill Outside Diameter 3/8 in Outside Diameter Tolerance +0.0000 in/-0.0020 in Yield Strength 100 000 psi Fabrication Cold Finished Rockwell Hardness C25 Brinell Hardness 253 Tensile Strength 115 000 psi Machinability 83 Percent Length Tolerance +/-6.000 in Includes Material Certificate Yes Standards ASTM A108 ASTM A311 Class B