1018 Carbon Steel Rod Material Carbon Steel Material Grade 1018 Overall Length 6 ft Heat Treatable Yes Heat Treatment No Heat Treatment Mechanical Finish Mill Outside Diameter 4 in Outside Diameter Tolerance +0.0000 in/-0.0040 in Yield Strength 55 000 psi Fabrication Cold Finished Rockwell Hardness Not Rated Brinell Hardness 70 Tensile Strength 65 000 psi Machinability 78 Percent Length Tolerance +/-6.000 in Includes Material Certificate Yes Standards ASTM A108 ASTM A29