Rene 65 tur

Advanced Heat-Resistant Alloy Developed for Aerospace and Power Generation

Rene 65 is a nickel-based superalloy developed by General Electric (GE). It is known for its superior high-temperature mechanical properties and oxidation resistance. Compared to earlier alloys like Rene 88DT, Rene 65 offers improved performance in gas turbine applications.

This alloy maintains high tensile strength and creep resistance in temperatures ranging from 700°C to 850°C. These properties make it ideal for gas turbine engine components, including turbine disks, blades, and combustion chambers. As a result, Rene 65 plays a key role in high-efficiency and high-output engines used in both commercial and military aircraft.

At temperatures exceeding 760°C, Rene 65 maintains a yield strength over 1000 MPa. It also resists fatigue, oxidation, and carburization, ensuring long service life in environments with repeated thermal cycling. Precise heat treatment is essential during production, as the mechanical performance varies based on processing methods. For this reason, customized heat treatment is applied depending on the specific application.


Strategic Applications and Recycling Value in High-Temperature Industries

The growing demand for lightweight, high-performance superalloys in next-generation aircraft and power generation turbines is driving increased use of Rene 65. The alloy ensures structural stability under conditions such as high-speed rotation, repeated thermal shock, and high-temperature gas exposure. In aerospace and defense, its reliability supports longer mission profiles and reduces maintenance intervals.

In gas turbine power plants, Rene 65 enhances energy efficiency and reduces fuel consumption. It also extends maintenance cycles due to its dimensional stability at elevated temperatures. Its application contributes significantly to sustainable energy systems and industrial reliability.

Rene 65 also offers substantial value in metal recycling. It contains nickel, cobalt, tantalum, and molybdenum — all high-value strategic metals. These can be recovered from scrap parts and machining waste, then refined and remelted into new alloys. This promotes resource circularity and supports carbon reduction goals, which aligns with the global trend toward sustainable metallurgy.

As high-tech industries evolve, Rene 65 is expected to support extreme-environment applications such as space launch vehicles, nuclear fusion power, and high-speed rail systems. Thanks to its heat-resistant and high-strength properties, it will remain a foundation material for future energy, aerospace, and defense technologies. Continued cooperation between industry and research institutions will drive its development and broader use.

At Dong-A Specialty Metals, we recognize the strategic value of Rene-series superalloys. We actively support scrap recycling and alloy recovery processes for materials like Rene 65, helping strengthen Korea’s resource independence and industrial competitiveness.




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