' Rod Stock, General Purpose, Carbon Steel, Alloy Type 1018, Diameter 5/8 In, Length 6 Ft, Unpolished Finish, Temper Cold Finish, Diameter Tolerance +0.000/-0.002 In, Length Tolerance +/-6.000 In, Typical Tensile Strength (PSI) 65000, Typical Yield Strength (PSI) 55000, Standards ASTM 108, UNS# G10180, AISI 1018 '