Standard SAE AMS5661E
NICKEL-IRON ALLOY, CORROSION AND HEAT RESISTANT, BARS, FORGINGS, AND RINGS 42.5Ni - 12.5Cr - 5.8Mo - 2.9Ti - 0.015B - 35Fe Consumable Electrode or Vacuum Induction Melted Solution, Stabilization, and Precipitation Heat Treated
Withdrawn