INCONEL 909, also known as UNS N19909 or AMS 5759, is a high-strength nickel-chromium-based superalloy that provides excellent mechanical properties at elevated temperatures. It is recognized under ASTM B462 and BS HR 297, ensuring compliance with international standards.

INCONEL 909 is designed for high-temperature applications where oxidation resistance and mechanical strength are crucial. Its composition, featuring a high percentage of nickel and chromium, provides superior resistance to oxidation and carburization.

Inconel 909 Sheet | Plate

INCONEL 909 sheets and plates are available in various thicknesses and sizes. These materials are used in aerospace, power generation, and other high-temperature applications where strength and oxidation resistance are needed.

Inconel 909 Round Bar | Rod

INCONEL 909 round bars and rods are available in different diameters and lengths. These products are ideal for precision machining and manufacturing components that must endure high stresses and temperatures.

Inconel 909 Strip | Coil

INCONEL 909 strips and coils are suitable for applications requiring flexible, high-strength materials. These forms are commonly used for producing gaskets, seals, and other components in demanding environments.

Inconel 909 Applications

• INCONEL 909 is used in aerospace applications for turbine blades, engine components, and exhaust systems due to its high-temperature strength and oxidation resistance.

Inconel 909 Properties

• Tensile Strength: INCONEL 909 exhibits high tensile strength, making it suitable for components subjected to significant mechanical stress at elevated temperatures.
• Density: Approximately 8.9 g/cm³, providing a favorable strength-to-weight ratio for demanding applications.
• Thermal Conductivity: Moderate thermal conductivity ensures stability and performance under high-temperature conditions.
• Oxidation Resistance: The alloy offers excellent resistance to oxidation and scaling at high temperatures, extending component lifespan.
• Corrosion Resistance: INCONEL 909 has superior resistance to a wide range of corrosive environments, including acidic and basic conditions.

Machining Inconel 909

• Cutting: INCONEL 909 can be cut using high-speed steel or carbide tools. Techniques like water jet cutting or laser cutting are recommended for precision work.
• Drilling: Utilize carbide or cobalt drills for drilling INCONEL 909. Proper cooling and lubrication are essential to maintain tool life and ensure accurate drilling.
• Turning: Carbide inserts are preferred for turning INCONEL 909. Consistent cutting speeds and high-pressure cooling are crucial for optimal results.
• Milling: Milling operations should use carbide end mills with adequate cooling to manage heat and maintain precision during processing.
• Grinding: For grinding INCONEL 909, use diamond or CBN wheels to achieve precise tolerances and a high-quality surface finish. Adequate cooling is necessary to prevent overheating and maintain dimensional accuracy.

Chemical Composition

• Carbon (C): Max 0.060%
• Nickel (Ni): Min 35.000%, Max 40.000%
• Silicon (Si): Min 0.250%, Max 0.500%
• Cobalt (Co): Min 12.000%, Max 16.000%
• Niobium (Nb): Min 4.300%, Max 5.300%
• Titanium (Ti): Min 1.300%, Max 1.800%
• Iron (Fe): Balance