Alloy 2.4668, also known as Inconel 718, is a nickel-based superalloy with excellent resistance to corrosion and oxidation at high temperatures. The alloy is particularly suitable for use in demanding environments such as aircraft turbines, gas turbines, rocket engines and nuclear power plants.
Chemical composition:
Nickel (Ni): 50-55%
Chromium (Cr): 17-21%
Molybdenum (Mo): 2.8-3.3%
Niobium (Nb) + Tantalum (Ta): 4.75-5.5%
Iron (Fe): 18.5-21.5%
Aluminum (Al): 0.2-0.8%
Titanium (Ti): 0.65-1.15%
Carbon (C): 0.08% (max)
Manganese (Mn): 0.35% (max)
Silicon (Si): 0.35% (max)
Sulfur (S): 0.015% (max)
Phosphorus (P): 0.015% (max)
Characteristics:
Excellent Corrosion Resistance: Alloy 2.4668 offers excellent resistance to corrosive media such as salt water, acidic and alkaline solutions, organic compounds and oxidizing/reducing conditions.
High Strength: The alloy is very strong at room temperature and has good creep and fatigue strength at high temperatures.
Good Weldability: The alloy has good weldability, and after welding it can be treated without affecting strength and corrosion resistance.
Good machinability: This alloy has good machinability and its good mechanical properties make it easy to shape and drill.
Excellent oxidation resistance: The alloy is resistant to oxidation at high temperatures and can be used in high-oxygen environments.
Applications:
Alloy 2.4668 is used in various applications including:
Aircraft turbines and components
Gas turbines and components
Rocket engines and jet engines
Nuclear power plants
Chemical processing plantsfood and pharmaceutical industry
Oil and gas industry
Forms of delivery:
Alloy 2.4668 is available in a variety of forms including sheet, bar, tube and forgings.
Note: The above data is for reference only and may vary by manufacturer and production batch. The manufacturer's relevant specifications and data sheets should always be consulted prior to use.
