8620 Alloy Steel Rod Material Alloy Steel Material Grade 8620 Overall Length 12 in Heat Treatable Yes Heat Treatment No Heat Treatment Mechanical Finish Mill Outside Diameter 2 1/4 in Outside Diameter Tolerance +0.000 in/-0.004 in Yield Strength Not Rated Fabrication Cold Finished Rockwell Hardness Not Rated Brinell Hardness Not Rated Machinability Not Rated Tensile Strength Not Rated Includes Material Certificate No Standards AISI 86200 ASTM A108 ASTM A29 SAE 8620 UNS G86200