Product Sheet
Haynes 25 (L605/25)
A high-temperature superalloy for critical industrial applications
About Haynes® 25 (L605/25)
Haynes® 25, also known as L605/25, is a cobalt-based alloy known for its outstanding resistance to oxidation and corrosion at elevated temperatures. It is commonly used in environments where performance must be maintained above 980 °C, such as gas turbines, aero engines, and other high-heat propulsion systems.
Thanks to its wear resistance, exceptional mechanical strength, and thermal stability, Haynes® 25 is a trusted choice in demanding industries such as aerospace, power generation, and turbomachinery.
Technical Features & Composition of Haynes® 25
High-Performance Cobalt Alloy
Haynes® 25 is a cobalt-based superalloy designed for use in harsh, high-temperature environments where both chemical and thermal stability are essential.
Operating Temperature
This alloy retains its mechanical properties at temperatures up to 1000 °C, making it ideal for hot-section components such as jet engine parts and combustion chambers.
Excellent Mechanical Properties
Haynes® 25 provides exceptional tensile and creep strength, even in severe thermal conditions, ensuring the long-term reliability of critical components.
Durability in Harsh Environments
Its resistance to wear and aggressive media ensures long-lasting performance in applications involving thermal, chemical, and mechanical stress.
Controlled Weldability
Haynes® 25 offers excellent weldability using conventional processes such as TIG and MIG, enabling precise, reliable fabrication of complex parts.
Approximate Composition
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Cobalt (Co) : Balance
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Chromium (Cr): 20.0 – 23.0%
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Nickel (Ni) : 12.0 – 14.0 %
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Molybdenum (Mo): 4.0 – 5.0%
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Tungsten (W): 2.5 – 4.0%
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Iron (Fe): ≤ 5.0%
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Carbon (C): ≤ 0.10%
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Manganese (Mn): ≤ 1.0%
Industries & Applications
Haynes® 25 is widely used in applications where heat resistance, oxidation resistance, and durability are essential:
Chemical and Petrochemical Industry
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High-temperature equipment exposed to acids and oxidising agents
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Processing units and reactors in high-temperature chemical environments
Aerospace & Propulsion
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Gas turbine components: turbines, rotors, compressors
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Combustion chamber parts operating under extreme thermal stress
Energy
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Components for industrial gas turbines
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Heat exchanger elements and systems exposed to elevated temperatures
High-Performance Automotive
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Exhaust systems and parts exposed to hot exhaust gases
Why Choose Haynes® 25 (L605/25)?
Haynes® 25 is the go-to solution for high-temperature applications requiring top-level mechanical strength and oxidation resistance. It is trusted in aerospace engines, gas turbines, and high-performance thermal systems where reliability is non-negotiable.
Extreme Heat Resistance
Withstands temperatures up to 1000 °C without losing its mechanical or chemical properties.
Outstanding Creep Resistance
Designed to resist slow deformation under stress, it offers excellent creep performance at high temperatures.
Good Weldability
Compatible with conventional welding methods, simplifying fabrication for complex assemblies.
High Wear Resistance
Its balanced composition allows it to endure repeated mechanical stress and abrasive conditions.
Our Commitments
At MetalXplore, we supply Haynes® 25 (L605/25) products of the highest quality, meeting strict international standards. We offer a wide range of formats including round and square bars, plates, sheets, strips, tubes, fittings, flanges, and custom-forged or machined components. Our team provides expert advice and customised metallurgical solutions for aerospace, energy, and high-temperature environments.
Superior Quality
Strictly tested, certified materials to ensure optimum durability and reliability.
Tailored Service
Custom alloys and solutions to meet the specific demands of your industry.
Responsiveness
Optimised delivery schedules to keep your projects on track.
Interested in Haynes® 25?
Contact our team for a custom quote, technical advice, or more information on the applications and availability of Haynes® 25 (L605/25).
Call us:
contact@metalxplore.com
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