Inconel 718® is a precipitation-hardenable nickel-based alloy which displays properties including exceptionally high creep-rupture, tensile and yield properties at temperatures up to 1300°F. The nickel alloy works efficiently in low-temperature service.
Alloy 718 has excellent welding characteristics when compared to the nickel-base superalloys which have been hardened by aluminium and titanium. Jet engines, high-speed airframe parts such as wheels, buckets, spacers, and high-temperature bolts and fasteners, all utilise Inconel 718. Wellhead components in the oil & gas sector also employ this alloy.
The grade is resistant to corrosion, stress corrosion and fatigue, with good strength and ductility in sub-zero temperatures.
Example applications for Inconel® 718 include:
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