Inconel 718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Inconel 718

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AMS Inconel 718

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This page is mainly introduced the Inconel 718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Inconel 718,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Inconel 718
  • Steel Garde:Inconel 718
  • Type:Superalloys
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE AMS 5589F (2013) Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated
    2 SAE AMS 5590F (2010) Nickel Alloy, Corrosion and Heat Resistant, Seamless Tubing 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
    3 SAE AMS 5597F (2009) Nickel Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate 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
    4 SAE AMS 5664E (2006) Nickel 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
    5 SAE AMS 5832G (2010) Nickel Alloy, Corrosion and Heat Resistant, Welding Wire 52.5Ni - 19Cr - 3.0Mo - 5.1Cb - 0.90Ti - 0.50Al - 18Fe Consumable Electrode or Vacuum Induction Melted
    6 SAE AMS 5917 (2011) Metal Injection Molded Nickel Based, Alloy 718 Parts, Hot Isostatically Pressed, Solutioned and Aged
  • Application:Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated

Relevant products:

  • UNS NO7718/ Inconel 718 / 2.4668 Round bar

    UNS NO7718/ Inco...

  • Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C   0.03
    Cr 17.0  21.0
    Mo 2.80  3.30
    Ni 50.0  55.0
    Al 0.20  0.60
    Nb 4.75  5.50
    Fe   Bal
    Si   0.35
    Mn   0.35
    P   0.015
    S   0.015
    B   0.006

    Mechanical Properties

    Tensile strength 450~176 σb/MPa
    Yield Strength 792 σ 0.2 ≥/MPa
    Elongation 47 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 214~098 -
    HRC 30 -

    Physical Properties

    Thermal expansion 68-60 e-6/K
    Thermal conductivity 47-32 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 1178-8419 째C
    Density 2592-5804 kg/m3
    Resistivity 0.50-0.60 Ohm.mm2/m
         

    Heat Treatment Regime

    Annealing

    Quenching

    Tempering

    Normalizing

    Q & T

    Size Availability

    Steel Grade Specification Processing range(mm)
    Inconel 718 Superalloys Round Bar and Hollow Bar Φ1 to Φ2000
    Square and Flat Steel Φ10 to Φ100
    Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
    Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
    Coil and Strip Steel THK:0.1mm Width:1500mm
    Forged Ring/Cylindrical/Disk

    Technical specification/standard for download