INCONEL® alloy X-750 is a precipitation-hardenable nickel-chromium alloy known for its exceptional strength, corrosion resistance, and high-temperature performance. This alloy is extensively utilized across various industries for its reliability and versatility in extreme environments.
Chemical Composition
Element
Composition (%)
Nickel (Ni)
70.0 min
Chromium (Cr)
14.0-17.0
Iron (Fe)
5.0-9.0
Niobium (Nb)
0.70-1.20
Aluminum (Al)
0.40-1.00
Titanium (Ti)
2.25-2.75
Silicon (Si)
0.50 max
Manganese (Mn)
1.00 max
Carbon (C)
0.08 max
Sulfur (S)
0.01 max
Mechanical Properties
Property
Value
Tensile Strength
1034 MPa (150 ksi) min
Yield Strength (0.2% offset)
827 MPa (120 ksi) min
Elongation
25% min
Hardness (Rockwell C)
36-42
Density
8.28 g/cm³
Performance at Different Temperatures
Temperature Range
Performance
Room Temperature
High strength and corrosion resistance
Elevated Temperatures (up to 704°C / 1300°F)
Retains strength and oxidation resistance
Cryogenic Temperatures
Maintains toughness and ductility
Industry Applications
INCONEL® alloy X-750 finds extensive applications across various industries:
Welding, Processing, Polishing, Heat Treatment, and Cold Processing
Process
Details
Welding
GTAW and GMAW methods recommended; post-weld heat treatment advised
Machining
Carbide tools and coolants for precision machining
Polishing
Mechanical and chemical methods to achieve desired finish
Heat Treatment
Solution annealing followed by age hardening
Cold Processing
Suitable for forming and bending processes
Conclusion
INCONEL® alloy X-750 is a versatile material suitable for critical applications requiring high strength, corrosion resistance, and reliability at elevated temperatures. Its well-defined chemical composition, robust mechanical properties, and adherence to international production standards make it a preferred choice in aerospace, gas turbines, nuclear, and industrial heating sectors globally. Engineers and designers seeking a durable alloy for extreme environments can confidently consider INCONEL® alloy X-750.
For detailed technical specifications and customized solutions, consulting with material suppliers and referencing specific product data sheets is recommended.
