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 650ºC. 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

1.ease of processing

2.high tensile strength, fatigue strength, creep strength and fracture strength at 700ºC

3. high oxidation resistance at 1000ºC

4.stable chemical properties at low temperature

5. good welding performance

Application field

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

2.cryogenic engineering

3.acidic environment

4.Second-ranking nuclear engineering

Inconel 718 products standards