Mechanical Properties Of Inconel 718

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Properties of Inconlel 718

Inconel 718 is a nickel-based super alloy that is well suited for applications requiring high toughness in temperature arrays from cryogenic as much as 1400°F. Inconel 718 also exhibits fantastic tensile and also influence toughness.

Chemical Composition of Inconel 718

Usual chemical evaluation of Inconel 718.

Carbon0.08 max
Manganese0.35 max
Phosphorus0.015 max
Sulfur0.015 max
Silicon0.35 max
Cobalt1.00 max
Boron0.006 max
Copper0.30 max
Tantalum0.05 max

Resistance to Corrosion and Oxidation of Inconel 718

Inconel 718 has excellent resistance to oxidation and also corrosion at temperatures in the alloy’s beneficial stamina selection in settings encountered in jet engines and gas turbine operations.

Physical Properties of Inconel 718

Common physical properties of Inconel 718 are summarized in the table below.

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Equipment TreatedSolution Treated and Aged
Density0.296 lb/in3 (8.192 g/cm3) 0.297 lb/in3 (8.22 g/cm3)
Specific Gravity8.198.22
Melting Range2500-2600°F 1370-1430°C

Thermal Conductivity of Inconel 718

The thermal conductivity at miscellaneous temperatures for Inconel 718 are provided in the adhering to table.

Temperature RangeCo-Efficients
0-100 532-2126.511.2

Mechanical Properties

The room temperature toughness of the Inconel 718 alloy is significantly enhanced by precipitation warm treatment as the following data show. These worths are properties mentioned for sheet, strip and also plate in AMS 5596 and AMS 5597.

Yield StrengthMin (0.2% offset)Ultimate Tensile StrengthMin Elongation(% in 2")
Sheet and also strip80,000 psi (550 MPa)140,000 psi (965 MPa)30 (min)
Plate105,000 psi (725 MPa)150,000 psi (1,035 MPa)30 (min)

Equipment trated plus precipitation warm treated.

Yield StrengthMin (0.2% offset)Ultimate Tensile StrengthMin Elongation(% in 2")
150,000 (1,035 MPa)180,000 psi (1,240 MPa) 12 (min)

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Typical short time tensile properties of Inconel 718 as a duty of temperature are displayed here for product solution treated and also aged as follows:

Solution Treatment: 1800°F (982°C) 1 hourPrecipitation Treatment: 1325°F (718°C) 8 hrs, Furnace Cool at 100°F (55°C) per hour to 1150°F (621°C) 8 hours


United Performance Metals Inconel 718 is offered to AMS 5596/5597 and has a UNS desigcountry N07718.

Applications of Inconel 718

Inconel 718 is typically used for:

Jet engineGas wind turbine operations

For sizes and availability of Inconel 718 call United Performance Metals.


This information has been sourced, reregarded and also adjusted from products provided by United Perfomance Materials.