Power Plant Services

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Nickel Alloys

Nickel Alloys

Alloy 718, also known as Inconel 718 is a precipitation-hardening nickel-chromium alloy containing significant amounts of iron, columbium, and molybdenum, along with lesser amounts of aluminum and titanium. Alloy 718 maintains high strength, good ductility and is suitable for temperatures up to around 1300 F. This alloy has relatively good weldability, formability, and excellent cryogenic properties compared to other precipitation hardening nickel alloys. The sluggish precipitation hardening response of this alloy allows it to be readily welded without hardening or cracking.

Common Trade Names

  • Alloy 718
  • INCO 718
  • Inconel 718

Applications of Alloy Steel Inconel 718

  • Steam and gas turbine parts
  • Stud
  • Screw

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