309 and 309S
Chemical Compositions: (UNS S30900) 309 (UNS S30908) 309S C 0.20 0.08 Mn 2.00 2.00 P 0.045 0.045 S 0.030 0.030 Si 0.75 0.75 Cr 22.00-24.00 22.00 -24.00 Ni 12.00 -15.00 12.00 -15.00 Fe Rest Rest Physical Properties: lbm/in3 g/cm3 68°F (20°C) 0.29 8.03 Thermal expansivity (min/in)•°F (mm/m)•°K 68 – 212°F (20 – 100°C) …