Inconel X750 - Plus Metals

INCONEL X750 UNS N07750 / AMS 5540 / ASTM B637

INCONEL X750, also known as UNS N07750 or AMS 5540, is a nickel-chromium-based superalloy designed for high-temperature strength and oxidation resistance. It is recognized under various standards, including ASTM B637, ensuring its reliability and performance in extreme conditions.

INCONEL X750 is formulated with a high nickel content along with chromium and other alloying elements to enhance its mechanical properties and resistance to thermal degradation. This makes it particularly suitable for use in environments where high strength and resistance to heat and oxidation are required.

Inconel X750 Sheet | Plate

INCONEL X750 sheets and plates are available in various thicknesses and dimensions, providing superior performance in aerospace and industrial applications. These products are used in components that experience extreme temperatures and stress, offering long-term durability.

Inconel X750 Round Bar | Rod

INCONEL X750 round bars and rods come in different diameters and lengths, ideal for precision machining and high-performance parts. These bars are essential for applications requiring exceptional strength and thermal stability, such as in gas turbines and reactor components.

Inconel X750 Strip | Coil

Available in strips and coils, INCONEL X750 is used where high-strength, flexible materials are needed. These forms are beneficial for manufacturing springs, gaskets, and other components that must withstand high temperatures and corrosive environments.

INCONEL X750 Applications

  • INCONEL X750 is commonly used in aerospace for its ability to endure extreme temperatures and stresses. It is ideal for turbine blades, vanes, and other critical engine parts.

Inconel X750 Properties

  • Tensile Strength: INCONEL X750 offers high tensile strength at elevated temperatures, making it suitable for high-stress applications in extreme environments.
  • Density: Approximately 8.7 g/cm³, providing a balance between strength and weight, which is crucial for aerospace and high-performance applications.
  • Thermal Conductivity: Low thermal conductivity, which helps in maintaining structural integrity under thermal stress and reducing heat transfer.
  • Oxidation Resistance: Exceptional resistance to oxidation, particularly at high temperatures, prolonging the lifespan of components exposed to high heat.
  • Corrosion Resistance: Superior resistance to various forms of corrosion, including those encountered in marine and chemical environments.

Machining Inconel X750

  • Cutting: INCONEL X750 can be cut using high-speed steel or carbide tools. Water jet cutting or laser cutting may also be used for precise applications.
  • Drilling: Utilize cobalt or carbide drills for drilling INCONEL X750. Adequate cooling and lubrication are crucial to prevent tool wear and ensure clean holes.
  • Turning: Carbide tooling is recommended for turning INCONEL X750. Maintaining a consistent cutting speed and using high-pressure coolant can enhance tool life and finish quality.
  • Milling: Milling should be done with carbide end mills. Ensuring proper chip removal and cooling will help maintain precision and prevent overheating.
  • Grinding: For grinding, use diamond or CBN (cubic boron nitride) wheels to achieve the desired finish. Proper cooling is essential to avoid thermal damage and maintain dimensional accuracy.

Chemical Composition

  • Carbon (C): Max 0.08%
  • Manganese (Mn): Max 1.00%
  • Silicon (Si): Max 0.50%
  • Sulfur (S): Max 0.01%
  • Chromium (Cr): Min 14.0%, Max 17.0%
  • Aluminum (Al): Min 0.40%, Max 1.00%
  • Iron (Fe): Min 5.00%, Max 9.00%
  • Titanium (Ti): Min 2.25%, Max 2.70%
  • Copper (Cu): Max 0.50%
  • Nickel (Ni): Balance
Material Form Size Inches SKU Number
INCONEL X750 Sheet Thickness: 0.020" to 0.500"; custom widths and lengths INCONELX750-SHEET-0.125-12x12
INCONEL X750 Plate Thickness: 0.500" and up; custom sizes INCONELX750-PLATE-0.750-24x24
INCONEL X750 Bar/Rod Diameter: 0.250" to several inches; length up to 36" or more INCONELX750-BAR-1-36
INCONEL X750 Tube/Pipe Diameter: 0.5" to several inches; custom wall thickness INCONELX750-TUBE-1-0.125
INCONEL X750 Wire Diameter: 0.010" to 0.250"; often supplied in coils INCONELX750-WIRE-0.050-100
INCONEL X750 Custom Fabrications Custom dimensions and shapes as required INCONELX750-CUSTOM-FAB-001