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SAE AMS5660 Revision L, January 1, 2015
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Nickel-Iron Alloy, Corrosion and Heat-Resistant, Bars and Forgings 12.5Cr - 42.5Ni - 6.0Mo - 2.7Ti - 0.015B - 34Fe Consumable Electrode Remelted or Vacuum Induction Melted Solution, Stabilization, and Precipitation Heat Treated
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AIA/NAS Aerospace Standards

This specification covers a corrosion and heat-resistant nickel-iron alloy in the form of bars and forgings 5 inches (127 mm) and under, and forging stock of any size. (See 8.5)


These products have been used typically for parts, such as turbine rotors, shafts, and blades, requiring high strength up to 1400 °F (760 °C) and oxidation resistance up to 1600 °F (871 °C), but usage is not limited to such applications.