Rod Stock Corrosion Resistant Stainless Steel Alloy Type 630 Diameter 5/16 in Length 18 ft Unfinished Finish Temper Annealed Diameter Tolerance +/-0.003 in Length Tolerance +/- 3.00 in Typical Tensile Strength (PSI) Not Rated Typical Yield Strength (PSI) Not Rated Typical Hardness 30 Hardness Scale Rc Standards AMS 5643 ASTM A564 Type 630