EngiRef / Nickel Properties

Inconel 718

Inconel 718 (UNS N07718): nickel engineering material. Density 8190 kg/m³. Yield 1034 MPa, ultimate 1241 MPa. Elastic modulus 200 GPa. Full property sheet with…

nickel

Specification

Name
Inconel 718
Category
nickel
Designation
UNS N07718
Applications
Gas turbine blades, Rocket motors, Nuclear reactors, Cryogenic tanks
Notes
Most used superalloy. Age hardenable. Good strength to 700°C.

Properties

Properties for Inconel 718
PropertyValue
Density8190 kg/m³
Tensile Strength Yield1034 MPa
Tensile Strength Ultimate1241 MPa
Elastic Modulus200 GPa
Shear Modulus77.2 GPa
Poissons Ratio0.3
Thermal Conductivity11.4 W/(m·K)
Thermal Expansion13 µm/(m·K)
Specific Heat435 J/(kg·K)
Melting Point1260 °C
HardnessBrinell: 363, Rockwell C: C38