Inconel X-750 / UNS N07750 / 2.4669 / NiCr15Ti7Al

Inconel X-750 / 2.4669: Properties, Applications, and Features

✅ General Technical Characteristics

Inconel X-750 (2.4669) is a heat-resistant nickel-based alloy, alloyed with chromium and other elements, providing excellent corrosion resistance and mechanical strength at high temperatures. This material demonstrates exceptional resistance to oxidation, creep, and stress corrosion cracking at temperatures up to 980°C.

Main Characteristics:

• High mechanical strength and hardness at elevated temperatures.
• Resistance to oxidation and corrosion in aggressive environments.
• Excellent creep resistance under prolonged loads.
• Good weldability and thermal processing capabilities.
• Suitable for extreme conditions (aerospace, energy, petrochemicals).

🔬 Chemical Composition Inconel X-750 / 2.4669 (%)

• Nickel (Ni): 70.0 – 78.0
• Chromium (Cr): 14.0 – 17.0
• Iron (Fe): 5.0 – 9.0
• Titanium (Ti): 2.25 – 2.75
• Aluminum (Al): 0.40 – 1.00
• Niobium (Nb+Ta): 0.70 – 1.20
• Manganese (Mn): ≤ 1.00
• Silicon (Si): ≤ 0.50
• Sulfur (S): ≤ 0.01
• Copper (Cu): ≤ 0.50

💡 The combination of nickel, chromium, and titanium gives Inconel X-750 exceptional resistance to extreme temperatures and mechanical loads.

🏭 Applications

Thanks to its outstanding properties, Inconel X-750 is used in critical industries requiring resistance to high temperatures and corrosion.

Main Application Areas:

• Aerospace industry (turbine components, exhaust systems, compressor blades).
• Energy sector (gas turbines, nuclear reactors, heat exchangers).
• Petrochemical industry (oil processing equipment, valves, springs).
• Automotive industry (high-temperature system components).
• Medical equipment manufacturing.

📊 Mechanical Properties

• Tensile Strength (Rm): 1100 – 1350 MPa
• Yield Strength (Rp0.2): ≥ 800 MPa
• Hardness (HB): 290 – 370 HB
• Elongation (A5): ≥ 15 %
• Operating Temperature: up to 980°C

⭐ Features

• Heat resistance – maintains mechanical properties under extreme temperatures.
• High corrosion resistance – resistant to oxidation and aggressive environments.
• Excellent mechanical strength – withstands heavy mechanical loads.
• Thermal stability – retains its properties under prolonged heating.
• Wide range of applications – highly demanded in aerospace, energy, petrochemical, and other high-tech industries.

Inconel X750 Delivery Forms