What is Inconel 718?

What is Inconel 718?

2022-11-16 10:11:26  Knowledge

Inconel 718 is a nickel-chromium-molybdenum superalloy known for its excellent corrosion resistance and ease of machining. Its melting point is 1430degC, which is useful for both high and cryogenic-temperature applications. The metal's inherent ability to form an oxide layer when exposed to heat makes it resistant to oxidation or corrosion. This superalloy has a tensile force of 1035 MPa and a yield strength of 725 MPa.

It is easy to machine

Inconel 718, a Ni-based superalloy, is well-known for its exceptional physical properties at high temperatures. It is widely used in different industries, including gas turbines and automobile components. Despite its high mechanical properties, Inconel 718 is difficult to machine due to its low machinability and poor surface integrity. Numerous studies are ongoing to improve Inconel 718's machinability.

Machinability is important in many aerospace applications, especially in aircraft components. These materials require high temperatures and cutting forces, making them difficult to machine. This is often due to differences in the microstructure of the material. Inconel 718 can be machined using various techniques, including electrical discharge machining, which can improve its machinability.

Inconel 718 is an excellent choice for high-quality parts. Because it has a low thermal conductivity, Inconel 718 is a great choice for high-volume production. However, it can be prone to deformation due to high machining speeds. It is, therefore, important to choose the right tool for Inconel 718 machining.

Because of its high melting point (1430 degrees Celsius), it is suitable for cryogenic and high-temperature applications. Inconel 718 is also resistant to oxidation and corrosion. It has a 725 MPa yield strength and a 1035 MPa tensile force. In addition, Inconel 718 undergoes a precipitation and solution treatment to enhance its properties further.

It is corrosion-resistant

Inconel 718, a nickel-based superalloy, is used extensively in aerospace and gas turbine engines. This superalloy can be used in extreme environments, such as high temperatures and high corrosive. However, it can challenge conventional machining methods because of its difficult-to-cut properties.

The alloy is precipitation hardened to provide superior high-temperature corrosion resistance. It is also non-magnetic and has a high mechanical strength. It also has excellent oxidation and stress corrosion cracking resistance. It is also resistant to pitting in hostile environments.

Researchers have explored factors that influence the corrosion resistance of Inconel718. One key factor influencing corrosion resistance is the amount of surface roughness. The smaller the roughness, the more corrosion-resistant the alloy is. Another factor that influences corrosion resistance is the amount of residual stress. The less residual stress, the better.

The high nickel content of Inconel 718 makes it a strong corrosion-resistant alloy. It is resistant to corrosion caused by chloride stress cracking in oxidizing environments. It can also be used for stress relief or directly welded. However, it is important to remember that Inconel 718 is not compatible with silver or cadmium brazing compounds because they can cause stress on the alloy and aggravate cracking.

In addition to the strong corrosion resistance of Inconel 718, the alloying element Ni increases its corrosion resistance by 1.5 times. It can be used in biomedical applications, structural building applications, and food preparation.

It's versatile

Inconel 718 is a nickel-based superalloy widely used for high-tech and industrial applications. It is highly versatile and exhibits excellent tensile and yield properties across its temperature range. It is excellent in terms of its resistance to oxidation and corrosion. It is a popular material in the aerospace industry.

Inconel 718 was used for the first time in the aerospace industry. It has been widely used since then. It is now found in over 30 percent of all modern aircraft engines' dead weight. Its high temperatures and corrosion resistance make it an ideal choice for this environment. Because it can be used in high-pressure and high-temperature environments, Inconel 718 is a popular aerospace alloy.

Inconel 718 has excellent corrosion resistance in many environments, and its strength is exceptional. It can also be used to combat chloride-ion stress corrosion cracking. It is a nickel-based alloy that contains chromium as well as molybdenum. Both of these elements provide outstanding resistance to oxidizing and sulfur compounds. It is extremely resistant to corrosion and has excellent resistance to post-weld cracking. It can also be easily machined, making it a versatile metal for numerous applications.

Inconel 718 is comparable to carbon steel in terms of tensile strength and g matrix. Its strength comes from the post-manufacturing heat treatment. Tensile testing can only catch components that have good performance. However, ongoing research is being conducted to identify better testing and analysis methods.


RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials. The company export to many countries, such as USA, Canada, Europe, UAE, South Africa, Tanzania,Kenya,Egypt,Nigeria,Cameroon,Uganda,Turkey,Mexico,Azerbaijan,Belgium,Cyprus,Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia,Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for Inconel 718, please contact us or send an email to: sales1@rboschco.com

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