May 14, 2025 Leave a message

What Is Inconel 718

nconel 718 is a nickel-chromium alloy known for its outstanding strength and resistance to high-temperature environments. It is primarily used in extreme conditions such as aerospace, gas turbines, and chemical processing, where materials are exposed to high heat and corrosive environments.


Inconel 718 Composition:

Nickel (Ni): 50-55%

Chromium (Cr): 17-21%

Iron (Fe): Balance

Molybdenum (Mo): 2.8-3.3%

Titanium (Ti): 0.65-1.15%

Aluminum (Al): 0.2-0.8%

Cobalt (Co): 1-2.5%

Niobium (Nb): 4.75-5.5%

Copper (Cu): 0.3% max

Carbon (C): 0.08% max

Sulfur (S): 0.015% max

Silicon (Si): 0.35% max


Key Properties of Inconel 718:

Temperature Range: Operates effectively from cryogenic temperatures up to 704°C (1300°F).

Strength: Excellent tensile strength (up to 1,500 MPa) and yield strength.

Corrosion Resistance: Superior resistance to oxidation, pitting, and stress-corrosion cracking.

Weldability: Can be welded using conventional techniques like TIG, MIG, and laser welding.

Fatigue Resistance: Excellent resistance to fatigue and creep at elevated temperatures.


Applications of Inconel 718:

Aerospace: Turbine blades, disks, and other high-stress, high-temperature components.

Gas Turbines: Components exposed to high heat and pressure.

Nuclear: Reactor cores, control rods, and other critical components.

Chemical Processing: Components used in corrosive environments.


Inconel 718 is a high-performance alloy for demanding applications requiring strength, thermal stability, and resistance to aggressive environments. Let me know if you'd like further details or specific product recommendations.

Send Inquiry

whatsapp

Phone

E-mail

Inquiry