Inconel 718 alloy is a nickel-base precipitated hardening alloy with high yield strength, tensile strength and creep fracture properties at temperatures up to 1300 ° F(705 ° C). The alloy has excellent weldability.
Inconel 718 alloy application field
Inconel 718 alloy is used in jet engines and high-speed fuselage components such as wheels, barrels and gaskets, as well as high-temperature bolts and fasteners. Inconel 718 is also used in the oil and gas drilling and production industries due to its high strength and resistance to chloride, stress corrosion and sulfide stress cracking. In these industries, Inconel 718 alloy has been used in valves, pump shafts and wellhead components.
Forging
Inconel 718 alloy shall be forged at the maximum furnace temperature of 2050 ° F(1120 ° C). Inconel 718 alloy shall not be soaked at this temperature for long periods of time. Uniform pressing during forging will prevent the formation of a two-phase grain structure. The strength of the forgings will be improved if the temperature is lower than 1100 ° F(595 ° C) when working in the range of 1700/1850 ° F(925/1010 ° C).
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