Alloy 909 - UNS N19909 / DIN 2.4708 / ASTM B880

Alloy 909 is a high-performance superalloy with outstanding strength and resistance to corrosion, oxidation, and high-temperature fatigue. This nickel-based alloy is primarily used in critical aerospace and industrial applications where superior mechanical properties and resistance to extreme conditions are required. Alloy 909 is commonly used in turbine blades, exhaust systems, and gas turbines due to its excellent combination of high-temperature strength and oxidation resistance.
Thanks to its excellent performance in high-stress, high-temperature environments, Alloy 909 is often utilized in turbine engines, jet propulsion, and other aerospace components, making it a key material in industries requiring high durability and resistance to corrosion and oxidation.
Alloy 909 Plates & Sheets
Alloy 909 plates and sheets are engineered for applications that demand high strength, oxidation resistance, and stability at elevated temperatures, commonly used in the aerospace and energy industries.
Alloy 909 Round Bars
Alloy 909 round bars are used in critical structural and high-stress applications such as turbine blades and aerospace fasteners where resistance to oxidation and fatigue is paramount.
Alloy 909 Flanges
Alloy 909 flanges offer exceptional strength and corrosion resistance, making them ideal for use in piping systems that operate in high-temperature, high-stress environments in the aerospace and chemical industries.
Alloy 909 Fittings
Alloy 909 fittings are designed for use in high-pressure, high-temperature systems where durability, resistance to fatigue, and superior strength are essential.
Alloy 909 Tubes & Pipes
Alloy 909 tubes and pipes are widely used in gas turbines, heat exchangers, and high-temperature reactors where the material’s excellent oxidation resistance and strength under extreme conditions are required.
Alloy 909 Fasteners
Alloy 909 fasteners are known for their superior strength and resistance to oxidation, making them essential for high-temperature and high-stress applications in industries such as aerospace and energy.
Alloy 909 Nut Bolts
Alloy 909 nut bolts are designed for use in high-performance applications that require high strength and corrosion resistance, particularly in aerospace and power generation sectors.
Applications of Alloy 909
- Aerospace Industry: Used in turbine blades, exhaust components, and other high-temperature, high-stress applications in the aerospace sector.
- Energy Sector: Employed in gas turbines, heat exchangers, and other critical components in power generation.
- Industrial Applications: Used in systems exposed to high temperatures and mechanical stresses, such as in chemical processing and heavy-duty machinery.
- Marine Industry: Ideal for components in marine engines and exhaust systems exposed to high temperatures and corrosive environments.
Chemical Composition of Alloy 909
- Nickel (Ni): 50.0% min
- Chromium (Cr): 17.0% - 20.0%
- Iron (Fe): Balance
- Cobalt (Co): 2.5% max
- Titanium (Ti): 1.5% - 2.5%
- Aluminum (Al): 1.0% max
- Manganese (Mn): 1.0% max
- Silicon (Si): 0.5% max
- Sulfur (S): 0.02% max
- Phosphorus (P): 0.02% max