0.08 C, 2.00 Mn, 1.00 Si, 13.50/16.00 Cr, 24.00/27.00 Ni, 1.00/1.50 Mo, 1.90/2.30 Ti, 0.10/0.50 V, 0.35 Al, 0.003/0.010 B, Bal. Fe
Iron-base austenitic stainless steel that has notched rupture strength superior to any other alloy with comparable high-temperature properties. Can be precipitation hardened and strengthened by heat treatment. Good for service at temperatures to 1300°F (704°C). Has been used for numerous jet engine applications. Non-magnetic.
Specifications: ASTM A638, ASTM A453, Bars and Forgings- AMS 5731, AMS 5732, AMS 5734, AMS 5735, AMS 5736, AMS 5737, Strip-AMS 5525, PWA 1029, GE B50T1181, GE B50T81, GE C50TF78, GE C50TF27, GE C50TF20, MR0175