Alloy Portfolio

Inconel 625 is a corrosion-resistant nickel-chromium-molybdenum alloy with the addition of niobium. Composed of approximately 58% nickel, 20-23% chromium, 8-10% molybdenum, and small amounts of niobium and iron, Inconel 625 is known for its outstanding resistance to a wide range of corrosive environments, including pitting and crevice corrosion.

This alloy is highly versatile and finds extensive use in various industries, particularly in aerospace, chemical processing, and marine engineering. Inconel 625 is employed for applications such as chemical processing equipment, marine components, and aerospace components like exhaust systems and thrust chambers. Its combination of high strength, corrosion resistance, and weldability makes it a popular choice for demanding environments, especially those involving exposure to corrosive chemicals and high temperatures.

Key Characteristics of Inconel 625:

1. Corrosion Resistance: Inconel 625 is highly resistant to corrosion, including pitting and crevice corrosion. It performs well in both oxidizing and reducing environments, making it suitable for various corrosive conditions.
2. High-Temperature Strength: The alloy maintains its strength and integrity at elevated temperatures, making it suitable for high-temperature applications, such as in gas turbine engine components.
3. Excellent Fatigue Strength: Inconel 625 exhibits good fatigue strength, allowing it to withstand cyclic loading and stress without experiencing premature failure.
4. Weldability: The alloy is easily weldable and can be welded using various methods, making it versatile for fabrication and repair.
5. High Tensile and Yield Strength: Inconel 625 possesses high tensile and yield strengths, contributing to its overall mechanical robustness and durability.
6. Resistance to Creep and Rupture: It has good resistance to creep deformation and rupture at high temperatures, ensuring stability in applications with prolonged exposure to elevated temperatures.
7. Non-magnetic: Inconel 625 is non-magnetic, making it suitable for applications where magnetic interference is a concern.
8. Chemical Stability: The alloy maintains its stability in a wide range of chemical environments, including exposure to acids and alkaline solutions.

Applications of Inconel 625:

1. Aerospace Industry: Used in aircraft components, including engine exhaust systems, turbine blades, and rocket thrust chambers, due to its high strength and corrosion resistance.
2. Chemical Processing: Inconel 625 is employed in chemical processing equipment, such as vessels, valves, and piping, where corrosion resistance is crucial.
3. Marine Engineering: Used in marine applications, including seawater-exposed components, due to its corrosion resistance in marine environments.
4. Oil and Gas Industry: Widely used in the oil and gas sector for applications like wellhead components, downhole equipment, and offshore structural components.
5. Nuclear Industry: Inconel 625 is used in nuclear reactor components, where resistance to high-temperature and corrosive conditions is essential.
6. Power Generation: Applications include components in power generation systems, such as steam generators, boiler systems, and heat exchangers.
7. Medical Industry: Inconel 625 is utilized in medical implants and equipment due to its biocompatibility and corrosion resistance.
8. Pulp and Paper Industry: Used in applications involving corrosive chemicals and high temperatures, such as in the production of paper and pulp.