Alloy Portfolio

Hastelloy X, also known as Alloy X, is a high-temperature nickel-chromium-iron-molybdenum alloy with excellent oxidation resistance and high-temperature strength. Composed of approximately 47.5% nickel, 22% chromium, 18.5% iron, and significant amounts of molybdenum and cobalt, Hastelloy X is designed for use in extreme environments.

This alloy is particularly well-suited for applications in gas turbine engines, where it withstands high temperatures and thermal cycling. Hastelloy X exhibits good resistance to oxidation and carburization in high-temperature atmospheres, making it suitable for components such as combustion chambers, afterburner parts, and other critical aerospace and industrial applications. Its combination of high-temperature strength and corrosion resistance makes Hastelloy X a valuable material for use in challenging environments where both mechanical and chemical properties are crucial.

Key Characteristics of Hastelloy X:

1. High Temperature Strength: Hastelloy X exhibits excellent strength and stability at elevated temperatures, making it suitable for use in high-temperature applications.
2. Oxidation Resistance: The alloy has remarkable resistance to oxidation at high temperatures, making it suitable for environments with exposure to air and oxygen.
3. Good Fabricability: Hastelloy X is known for its good fabricability, allowing for various manufacturing processes such as welding, forging, and machining.
4. High Creep Resistance: The alloy shows resistance to creep deformation, making it suitable for applications involving sustained loads at high temperatures.
5. Excellent Weldability: Hastelloy X can be welded using various welding techniques, which adds to its versatility in fabrication processes.
6. Corrosion Resistance: It provides good corrosion resistance in a variety of corrosive environments, including strong acids and reducing agents.
7. Thermal Stability: Hastelloy X maintains its mechanical properties even after prolonged exposure to high temperatures.

Applications of Hastelloy X:

1. Aerospace Industry: Hastelloy X is commonly used in gas turbine engine components, such as combustion chambers, afterburners, and tailpipes, due to its high-temperature strength and oxidation resistance.
2. Chemical Processing: The alloy is employed in chemical processing equipment, including reactors, catalyst support grids, and piping, where resistance to high temperatures and corrosive chemicals is crucial.
3. Industrial Furnaces: Hastelloy X is used in the construction of industrial furnaces and heating elements where exposure to high temperatures and oxidative atmospheres is prevalent.
4. Superalloys: It is used as a superalloy in various applications that demand high-temperature strength, corrosion resistance, and stability, such as in the production of aerospace components.
5. Nuclear Reactors: Hastelloy X finds applications in nuclear reactors and related components due to its resistance to high-temperature and corrosive conditions.
6. Automotive Industry: Some high-performance automotive applications, particularly in exhaust systems, may use Hastelloy X due to its ability to withstand high temperatures and corrosive exhaust gases.
7. Power Generation: The alloy is employed in components of power generation systems, including turbine blades and combustion chambers.
8. Petrochemical Industry: Hastelloy X is utilized in various petrochemical applications, including components for processing units and equipment where exposure to corrosive substances is common.