Properties and Applications of Inconel 718 Alloy
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Tourists and business trips have plummeted. On the booking website, there are a large number of air tickets for local routes with a price reduction of nearly 90% compared with the original price and only tens of yuan for a one-way trip.
In February, China's aviation industry recorded its largest single-month loss of 24.59 billion yuan, of which airlines lost 20.96 billion yuan.
Data from the Civil Aviation Administration of China showed that in February, the number of passengers traveling by air fell 84.5% year-on-year to 8.34 million.
The stagnation of the Asian aviation industry has brought volatility to Inconel 718 Alloy.
What is Inconel 718 materials?
Inconel 718 alloys is a precipitation-hardening nickel-iron-based superalloy
containing niobium and molybdenum. Its microstructure is austenite and has
excellent comprehensive properties. It is one of the most widely used
superalloys. The alloy has good comprehensive properties in the temperature
range of -253 to 700 °C, the yield strength below 650 °C ranks first in the
deformed superalloy, and has good fatigue resistance, radiation resistance,
oxidation resistance, corrosion resistance, and good performance. Good
processing performance and welding performance. It can manufacture various parts
with complex shapes, and has been widely used in the above temperature range in
aerospace, nuclear energy, petroleum industry and extrusion dies.
Why is Inconel 718 not easy to machine?
The reason behind this is that Inconel 718 has lower thermal conductivity and
higher tensile strength among all three materials. No heat dissipation occurs in
the shear zone, which reduces tool wear compared to the other two materials.
Fields of application for Inconel 718
Inconel718 nickel-based superalloy material has been used to make aero-engine
turbine disks, rings, elastic elements, sealing elements and welded structural
parts; make liquid hydrogen, liquid oxygen rocket engines in turbine rotors and
other components; make nuclear energy industrial applications. Various elastic
elements and lattices; manufactures a wide range of parts for applications in
the petroleum and chemical industries.
Aerospace engineering, rocket engines, thrust reversers, ships, chemical
processing units, pressure vessels, pollution control systems and nuclear power
production reactions, cryogenic storage vessels, high-strength bolts and hot
extrusion tools, turbine engines, fasteners, fuel and exhaust system.
Inconel grades are suitable for use in the production of parts used in harsh
environments, such as turbocharger rotors and seals, motor shafts for
submersible electric pumps, steam generators, heat exchanger tubes, firearm
silencer blast plates and machine guns, on aircraft Black box recorders,
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The development of the Russia-Ukraine conflict will continue to dominate the commodity prices such as the Inconel 718 Alloy in the future. If the conflict eases or cools, Russia and Ukraine go back to negotiate, commodity prices would fall. However, if the situation between Russia and Ukraine deteriorates further, or evolves into a full-scale war, the price of the Inconel 718 Alloy is predicted to see further improvement over the coming days.