(AISI No. 681, 682)
(UNS N09901)
Single Figures are Maximums
0.10 C, 1.00 Mn, 0.60 Si, 11.00/14.00 Cr, 40.00/45.00 Ni, 5.00/7.00 Mo, 2.35/3.10
Ti, 0.50 Cu, 0.35 Al, 0.010/0.020 B, Bal. Fe
A chromium-nickel-iron-base superalloy combining high strength
and good corrosion resistance at elevated temperatures. Has been used for components
in aircraft and gas turbines, such as turbine rotors, compressor discs, hubs,
and shafts.
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