Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, Extrusions, Rings, and Stock for Forgings and Rings 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted 1950 °F (1066 °C) Solution Heat Treated, Precipitation Hardenable
This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings in the solution heat treated condition, Product covered by this specification is limited to 10.00 inches (254 mm) and under in nominal diameter or maximum cross-sectional dimension between parallel sides (thickness) and 78.54 square inches (503 cm2) in cross-sectional area. Stock may be of any size for forging or flash welded rings.
AMS5664G is the result of a Five-Year Review and update of the specification. The revision prohibits unauthorized exceptions (22.214.171.124.1.4, (removing) 126.96.36.199.1.1.4, 3.9, 188.8.131.52, 4.4.3, 184.108.40.206, 8.5), updates title to match the scope, updates the description of size and size limits (1.1, 220.127.116.11.1.1, 18.104.22.168.1), revises composition requirement and reporting (3.1, 3.1.1) adds cold finished bars and associated requirements (3.3.1), updates information for extrusions (3.3.2, 8.6), provides for consistent heat treatment requirements between similar specs (3.4), adds strain rate control during testing (22.214.171.124.1.3), adds forging stock options (4.4.2), and allows prior revisions (8.4).
Heat resistant alloys
Coatings, colorants, and finishes
Heat resistant materials
Also known as: SAE AMS 5664
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