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Inconel Heat Treatment

Inconel is a family of austenitic nickel-chromium-based superalloys. The name is a trademark of Special Metals Corporation.

Inconel alloys are typically used in high temperature applications. It is often referred to in English as "Inco" (or occasionally "Iconel"). Common trade names for Inconel Alloy 625 include: Inconel 625, Chronin 625, Altemp 625, Haynes 625, Nickelvac 625 and Nicrofer 6020.

The Inconel family of alloys was first developed in the 1940s by research teams at Wiggin Alloys (Hereford, England), which has since been acquired by SMC, in support of the development of the Whittle jet engine.

Inconel alloys

  • Inconel 600: Solid solution strengthened
  • Inconel 625: Acid resistant, good weldability. The LCF version is typically used in bellows.
  • Inconel 690: Low cobalt content for nuclear applications, and low resistivity
  • Inconel 718: Gamma double prime strengthened with good weldability
  • Inconel 751: Increased aluminum content for improved rupture strength in the 1600 °F range
  • Inconel 792: Increased aluminum content for improved high temperature corrosion properties, used especially in gas turbines
  • Inconel 939: Gamma prime strengthened with good weldability
  • Inconel 713: Newly developed alloy

Superheat FGH frequently provides heat treatment for Inconel. We can provide Inconel heat treatment to your specifications or consult you on the best Inconel heat treatment process for your application.

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