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

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
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 094~679 σb/MPa
Yield Strength 031 σ 0.2 ≥/MPa
Elongation 97 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 233~559 -
HRC 30 -

Physical Properties

Thermal expansion 78-27 e-6/K
Thermal conductivity 23-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4826-9291 째C
Density 1835-1837 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

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