Ti 6-2-2-2

Superior Performance at Elevated Temperatures

Ti-6-2-2-2 is a high-strength, alpha-beta titanium alloy composed of 6% aluminum and 2% each of tin, zirconium, molybdenum, and chromium. This balanced composition delivers excellent mechanical performance in extreme environments. As a result, it is widely used in advanced aerospace components, especially for military aircraft and engine parts that operate above 450°C. The alloy demonstrates excellent fatigue strength and creep resistance under long-term high-temperature conditions.

With a yield strength exceeding 1,100 MPa and sustained tensile strength up to 550°C, Ti-6-2-2-2 is ideal for turbine disks, rotors, and other rotating structures. It maintains ductility under stress and resists fracture even in critical applications. Furthermore, heat treatment and forging allow the alloy's properties to be optimized for various designs.


Strategic Use in Defense and Aerospace Industries

In the defense sector, Ti-6-2-2-2 is used in jet engine components, missile casings, and rocket engine parts. It offers excellent crack resistance, making it reliable in high-temperature, high-stress environments like combustion chambers and propulsion systems. Its resistance to stress and heat makes it suitable for use in missile rotors and similar critical applications. Consequently, the alloy is valued as a strategic material in aerospace and military manufacturing.

Despite its high strength, Ti-6-2-2-2 offers good workability. It supports various processing methods, including forging, welding, and precise heat treatment. Its microstructure enables high-temperature forging and tailored treatments according to aviation standards. The alloy’s optimal performance is achieved through solution treatment and aging (STA), ensuring consistent results in mass production environments.

Ti-6-2-2-2 also boasts excellent corrosion resistance in typical atmospheric and marine environments. Thanks to the natural oxide film on titanium, the alloy resists saltwater and moisture without needing additional anti-corrosion coatings. However, in high-temperature oxidizing environments, protective coatings may be applied to extend longevity.

The alloy contains strategic metals like molybdenum and zirconium, making it highly recyclable. Process scrap, such as from forging or heat treatment, can be recovered at high purity and reused to produce blooms or ingots. Its high scrap value and consistent demand make it an important resource for the metal recycling industry. As demand for high-performance aerospace materials grows, Ti-6-2-2-2 is expected to play an increasingly important role in global supply chains.

Dong-A Special Metals actively contributes to this sustainable cycle by sourcing, processing, and recycling titanium alloys like Ti-6-2-2-2 to support carbon neutrality and resource security.




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Ltd. is selling titanium (titanium) sponge substitutes for research and alloying on its smart store in order to localize the material in Korea. We look forward to your interest and support. Thank you.


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