NIMONIC 75, also known as UNS N06075 or AMS 5754, is a high-strength nickel-chromium-based superalloy that provides excellent oxidation resistance and mechanical properties at elevated temperatures. It is recognized under ASTM B435, DIN 2.4952, and BS HR 161, ensuring compliance with international quality standards.

NIMONIC 75 is designed for applications requiring materials that maintain their strength and stability under extreme conditions. Its composition, which includes a high percentage of nickel and chromium, imparts superior resistance to oxidation and carburization.

Nimonic 75 Sheet | Plate

NIMONIC 75 sheets and plates are available in various thicknesses and dimensions. These materials are used in applications demanding high strength and resistance to thermal stresses, such as in aerospace, gas turbines, and other high-temperature industrial settings.

Nimonic 75 Round Bar | Rod

NIMONIC 75 round bars and rods come in different diameters and lengths. These products are crucial for precision machining and manufacturing components that must withstand high stresses and temperatures.

Nimonic 75 Strip | Coil

Available in strips and coils, NIMONIC 75 is suitable for applications requiring flexible, high-strength materials. These forms are often used for producing gaskets, seals, and other components that need to perform reliably in demanding conditions.

Nimonic 75 Applications

• NIMONIC 75 is extensively used in aerospace for turbine blades, engine components, and exhaust systems, where its high-temperature resistance and strength.

Nimonic 75 Properties

• Tensile Strength: NIMONIC 75 exhibits high tensile strength, making it ideal for components subjected to significant mechanical stress at elevated temperatures.
• Density: Approximately 8.8 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 the lifespan of components.
• Corrosion Resistance: NIMONIC 75 has superior resistance to a wide range of corrosive environments, including acidic and basic conditions.

Machining Nimonic 75

• Cutting: NIMONIC 75 can be cut using high-speed steel or carbide tools. Techniques such as water jet cutting or laser cutting are recommended for precision work.
• Drilling: Utilize carbide or cobalt drills for drilling NIMONIC 75. Proper cooling and lubrication are essential to maintain tool life and ensure accurate drilling.
• Turning: Carbide inserts are preferred for turning NIMONIC 75. Consistent cutting speeds and high-pressure cooling are crucial for achieving optimal results.
• Milling: Milling operations should use carbide end mills with adequate cooling to manage heat and maintain precision during processing.
• Grinding: For grinding NIMONIC 75, 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): Min 0.08%, Max 0.15%
• Manganese (Mn): Max 1.00%
• Silicon (Si): Max 1.00%
• Chromium (Cr): Min 18.0%, Max 21.0%
• Titanium (Ti): Min 0.2%, Max 0.6%
• Copper (Cu): Max 0.5%
• Iron (Fe): Max 0.5%
• Nickel (Ni): Remainder