Alloy X750 - UNS N07750 / DIN 2.4669 / ASTM B637

Alloy X750 is a high-strength, corrosion-resistant nickel-chromium alloy that is primarily used in high-temperature applications, particularly in gas turbines, heat exchangers, and other industrial systems exposed to extreme environments. It offers excellent oxidation and corrosion resistance, especially at elevated temperatures. Alloy X750 is known for its ability to maintain strength even at temperatures above 1000°F (537°C), making it ideal for applications in the aerospace and power generation sectors.
This alloy is often used in high-stress, high-temperature environments due to its exceptional resistance to oxidation, sulfidation, and creep, as well as its ability to withstand thermal-fatigue cycles.
Alloy X750 Plates & Sheets
Alloy X750 plates and sheets are widely used in the aerospace, power generation, and chemical industries, where high-temperature strength and resistance to oxidation are critical.
Alloy X750 Round Bars
Alloy X750 round bars are used in the manufacturing of components such as fasteners, shafts, and turbine blades, where high strength and heat resistance are required.
Alloy X750 Flanges
Alloy X750 flanges offer excellent performance in high-pressure, high-temperature environments, making them suitable for use in power plants, gas turbines, and chemical reactors.
Alloy X750 Fittings
Alloy X750 fittings are highly durable and provide superior resistance to corrosion and heat, ensuring reliable performance in critical industrial systems and gas turbines.
Alloy X750 Tubes & Pipes
Alloy X750 tubes and pipes are used in high-temperature applications like heat exchangers, pressure vessels, and gas turbines due to their strength and resistance to oxidation at elevated temperatures.
Alloy X750 Fasteners
Alloy X750 fasteners provide superior strength and reliability in high-temperature, high-pressure applications like aerospace and energy generation systems.
Alloy X750 Nut Bolts
Alloy X750 nut bolts are commonly used in critical industrial applications, including gas turbines and high-temperature reactors, for their strength and resistance to thermal fatigue.
Applications of Alloy X750
- Aerospace Industry: Used in gas turbines, combustion chambers, and aircraft engine components due to its high-temperature strength.
- Power Generation: Ideal for use in steam turbines, gas turbines, and heat exchangers exposed to high temperatures and corrosive environments.
- Chemical Processing: Commonly used in reactors, pressure vessels, and piping systems where high strength and corrosion resistance are essential.
- Petrochemical Industry: Suitable for applications in refining, petrochemical processing, and offshore oil & gas environments.
Chemical Composition of Alloy X750
- Nickel (Ni): 70.0% min
- Chromium (Cr): 14.0% - 17.0%
- Iron (Fe): 6.0% max
- Niobium (Nb): 1.4% - 2.0%
- Molybdenum (Mo): 0.9% - 1.5%
- Titanium (Ti): 1.0% - 1.7%
- Aluminum (Al): 0.4% - 0.8%
- Carbon (C): 0.08% max
- Manganese (Mn): 1.0% max
- Silicon (Si): 0.5% max
- Sulfur (S): 0.015% max