1. ASTM grade of Incoloy 909 Pipe
2. Mechanical properties of Incoloy 909 Pipe
Tensile strength: The tensile strength of Incoloy 909 at room temperature is typically around 1100 - 1200 MPa.
Yield strength: The yield strength is approximately 900 - 1000 MPa.
Elongation: It has an elongation of about 10 - 15% in a 2 - inch (50 mm) gauge length.
High - temperature strength: Incoloy 909 retains good strength at elevated temperatures, with a tensile strength of around 500 - 600 MPa at 650°C.
3. Chemical composition of Incoloy 909 Pipe
Nickel (Ni): 40.0 - 45.0%
Chromium (Cr): 12.5 - 15.0%
Iron (Fe): 38.0 - 42.0%
Cobalt (Co): 1.5 - 2.5%
Molybdenum (Mo): 2.5 - 3.5%
Titanium (Ti): 1.8 - 2.4%
Aluminum (Al): 0.1 - 0.5%
Carbon (C): ≤0.05%
Manganese (Mn): ≤0.50%
Silicon (Si): ≤0.50%
Phosphorus (P): ≤0.02%
Sulfur (S): ≤0.01%
4. Applications of Incoloy 909 Pipe
Aerospace industry: It is used in aircraft engines for components such as turbine blades, combustion chambers, and exhaust systems due to its high - temperature strength and resistance to oxidation.
Power generation: Incoloy 909 pipe is suitable for use in high - temperature sections of power plants, such as in steam turbines and boilers, where it can withstand the harsh operating conditions.
Industrial furnaces: It is employed in the construction of industrial furnaces, including furnace tubes and radiant tubes, as it can resist the high temperatures and corrosive atmospheres present.
Gas turbines: The alloy is used in gas turbine components to improve the efficiency and reliability of the turbines operating at high temperatures.
5. Advantages of Incoloy 909 Pipe
Excellent high - temperature properties: Incoloy 909 offers outstanding strength and resistance to creep and fatigue at elevated temperatures, enabling it to perform well in high - temperature applications.
Good oxidation resistance: The alloy has excellent resistance to oxidation and scaling, which helps maintain the integrity of the pipe surface and prolong its service life in high - temperature and corrosive environments.
High - strength - to - weight ratio: It has a relatively high - strength - to - weight ratio, making it suitable for applications where weight reduction is important, such as in the aerospace industry.
Weldability and fabricability: Incoloy 909 can be welded and fabricated using standard techniques, allowing for easy manufacturing and installation of pipes in various applications.
