INCONEL 945, also known as UNS N09945 or W.NR.2.4652, is a nickel-chromium-based superalloy designed for superior high-temperature strength and oxidation resistance. Recognized under API 6ACRA and ASTM B805, INCONEL 945 is well-suited for applications requiring both high mechanical strength and resistance to harsh environmental conditions.

INCONEL 945 features a high nickel and chromium content, providing excellent resistance to oxidation, corrosion, and thermal degradation. This makes it ideal for use in environments subjected to extreme temperatures and aggressive chemicals.

Inconel 945 Sheet | Plate

INCONEL 945 sheets and plates are available in various thicknesses and dimensions. These products are used in applications that demand high strength and durability under elevated temperatures, such as in petrochemical and aerospace industries.

Inconel 945 Round Bar | Rod

INCONEL 945 round bars and rods come in various diameters and lengths, suitable for precision machining and critical component fabrication. These are used in high-stress applications where strength and resistance to thermal expansion are crucial.

Inconel 945 Strip | Coil

Offered in strips and coils, INCONEL 945 is used for applications requiring flexible yet strong materials. These forms are ideal for producing gaskets, seals, and other components that need to withstand high temperatures and corrosive environments.

Inconel 945 Applications

• INCONEL 945 is extensively used in the oil and gas industry for components that are exposed to high pressure and corrosive environments, such as wellhead equipment and pressure vessels.

Inconel 945 Properties

• Tensile Strength: INCONEL 945 offers high tensile strength, making it suitable for demanding structural applications and high-stress environments.
• Density: Approximately 8.8 g/cm³, providing a balance between strength and weight for various industrial uses.
• Thermal Conductivity: Moderate thermal conductivity ensures stability and performance under high-temperature conditions.
• Oxidation Resistance: Excellent resistance to oxidation at high temperatures, extending the lifespan of components in extreme conditions.
• Corrosion Resistance: Superior resistance to a wide range of corrosive environments, including seawater and acidic conditions.

Machining Inconel 945

• Cutting: INCONEL 945 can be cut using high-speed steel or carbide tools. Techniques such as water jet cutting or laser cutting are also effective for precise applications.
• Drilling: Use cobalt or carbide drills for drilling INCONEL 945. Adequate cooling and lubrication are important to prevent tool wear and achieve accurate holes.
• Turning: Carbide tooling is recommended for turning INCONEL 945. Consistent cutting speeds and high-pressure cooling can enhance tool life and dimensional accuracy.
• Milling: Milling operations should employ carbide end mills and effective cooling to maintain precision and manage heat generation.
• Grinding: Use diamond or CBN wheels for grinding INCONEL 945 to achieve tight tolerances and a high-quality finish. Proper cooling is necessary to avoid thermal damage and maintain accuracy.

Chemical Composition

• Carbon (C): Min 0.005%, Max 0.04%
• Manganese (Mn): Max 1.00%
• Silicon (Si): Max 0.50%
• Phosphorus (P): Max 0.03%
• Sulfur (S): Max 0.03%
• Nickel (Ni): Min 45.0%, Max 55.0%
• Chromium (Cr): Min 19.5%, Max 23.0%
• Molybdenum (Mo): Min 3.0%, Max 4.0%
• Niobium (Nb): Min 2.5%, Max 4.5%
• Copper (Cu): Min 1.5%, Max 3.0%
• Titanium (Ti): Min 0.5%, Max 2.5%
• Aluminum (Al): Min 0.01%, Max 0.7%
• Iron (Fe): Balance