Inconel 783

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Chemical Composition

The chemical composition of INCONEL 783 is outlined in the following table.

Element Content (%)
Nickel, Ni 26-30
Iron, Fe 24-27
Aluminum, Al 5-6
Chromium, Cr 2.5-3.5
Niobium, Nb 2.5-3.5
Copper, Cu 0.50 max
Manganese, Mn 0.50 max
Silicon, Si 0.50 max
Titanium, Ti 0.10-0.40
Carbon, C 0.03 max
Boron, B 0.003-0.012
Phosphorus, P 0.015 max
Sulfur, S 0.005 max
Cobalt, Co Balance

Physical Properties

The physical properties of INCONEL 783 are tabulated below.

Properties Metric Imperial
Density 7.81 g/cm3 0.282 lb/in3
Melting point 1336-1407 °C 2437-2565 °F

Mechanical Properties

The following table shows mechanical properties of INCONEL 783.

Properties Metric Imperial
Tensile strength 1194 MPa 171 ksi
Yield strength 779 MPa 113 ksi
Poisson’s ratio 0.31 0.31
Elastic modulus 177.3 GPA 25.72 ksi
Elongation at break 24% 24%

Thermal Properties

The thermal properties of INCONEL 783 are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@93°C/200°F) 10.08 µm/m°C 5.60 µin/in°F
Thermal conductivity (@21°C/70°F) 10.1 W/m-°C 71 BTU in/hr.ft².°F

Inconel 783