Inconel 718 (N07718) Nickel Alloy

Uns7718 Strip (GH169) Inconel 718 Strip Iron Nickel Chromium Alloy

 

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

Alloy % Ni Cr Fe C Mn Si Cu Al P S
718 Min. 58 21           1.0    
Max. 63 25 balance 0.1 1.5 0.5 1 1.7 0.02 0.015
Physical properties
Density Melting point  Magnetic
8.24g/cm³ 1260~1320ºC None
  Inconel 718 alloy minimum mechanical properties in the room temperature
Status Tensile strength Rm N/mm² Yield strength Rp0. 2N/mm² Elongation As % Brinell hardnessHB
Solution treatment 965 550 30 ≤363

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
Sheet/Plate Round bar/Wire Pipe Tube
ASME SB-670ASME SB-906AMS 5596AMS 5597AMS 5950 AMS 5914 ASME SB-637AMS 5662AMS 5663AMS 5664AMS 5832 AMS 5914 AMS 5962 AMS 5589AMS 5590 AMS 5589AMS 5590

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