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Special Metals INCONEL® Alloy 718

 

Subcategory: Superalloy; Nickel Base

Key Words: IN718, INCONEL 718, AFNOR NC 19 Fe Nb, UNS N07718; ASTM B637, B670; ASME Boiler Code Sections I, III; AMS 5589, AMS 5590, AMS 5596, AMS 5597, AMS 5662, AMS 5663, AMS 5664, AMS 5832, Werkstoff Nr. 2.4668; WL Nr. 2.4668; MIL-N-24469; NACE MR-01-75; AECMA Pr EN 2404, 2405, 2407, 2408, 2952, 2961, 3219

Material Notes:
Nickel content above includes cobalt. Iron content as remainder. Developed in the early 1960's, IN718 is still considered the material of choice for the majority of aircraft engine components with service temperatures below 1200°F (650°C). Inconel 718 is a precipitation-hardenable nickel-chromium alloy containing also significant amounts of iron, niobium, and molybdenum along with lesser amounts of aluminum and titanium. It combines corrosion resistance and high strength with outstanding weldability including resistance to postweld cracking. The alloy has excellent creep-rupture strength at temperatures to 1300°F (700°C).

Applications: Aerospace, gas turbines, rocket motors, spacecraft, space shuttles, nuclear reactors, pumps, turbo pump seals, and tooling.

Forms: round, flat, extruded section, pipe, tube, forging stock, plate, sheet, strip and wire.

Data provided by the manufacturer, Special Metals.

Available Properties
  • Density
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate at Elevated Temperature
  • Tensile Strength, Yield
  • Tensile Strength, Yield at Elevated Temperature
  • Elongation at Break
  • Elongation at Break at Elevated Temperature
  • Electrical Resistivity
  • Magnetic Permeability
  • Curie Temperature
  • CTE, linear 20°C
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
   
Property Data

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