Inconel718 alloy is a precipitation-hardening nickel-chromium-iron alloy containing niobium and molybdenum. It has high strength, good toughness and corrosion resistance in high and low temperature environment under 650℃. Its state can be solid solution treatment or precipitation hardening state.

Chemical composition

Physical properties

Inconel 718 alloy minimum mechanical properties in the room temperature

It has the following features

● ease of processing

● high tensile strength, fatigue strength, creep strength and fracture strength at 700℃

● high oxidation resistance at 1000℃

● stable chemical properties at low temperature

● good welding performance

Application field

Due to its high temperature strength, excellent corrosion resistance and easy processing at 700℃, it can be widely used in various occasions with high requirements. ● liquid fuel rocket

● cryogenic engineering

● acidic environment

Second-ranking nuclear engineering

Inconel 718 products standards