AMS 5664

Nickel 718 per AMS 5664 Alloy, Corrosion and Heat Resistant, Bars, Forgings, and Rings, 52.5Ni – 19Cr – 3.0Mo – 5.1Cb – 0.90Ti – 0.50Al – 18Fe, Consumable Electrode or Vacuum Induction Melted, 1950 °F (1066 °C) Solution Heat Treated, Precipitation Hardenable 

 

The AMS 5664 specification covers Nickel 718 corrosion and heat resistant nickel alloy in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings.

AMS 5664 is the Alternative Solution Treatment for Nickel 718 Bar where the material is solution annealed at 1950 F, followed by rapid cooling in water, and then precipitation hardening. The process involves Heat Treatment: 1400°F for 10hrs, furnace cool to 1200°F, hold at 1200°F for a total aging time of 20 hrs + Air Cool.

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