Inconel® X-750

Often referred to as Inconel® Alloy X-750, this high-performance austenitic nickel-chromium alloy is made precipitation-hardenable by the addition of aluminum and titanium. It has good resistance to corrosion and oxidation along with high tensile and creep-rupture properties at high temperatures. For extended applications that require high strength at high temperatures, Alloy X-750 may require a solution treatment, with air cooling between intermediate and final aging.

Alloy X-750 displays excellent workability, including machinability and welding.  Alloy X-750 has excellent relaxation resistance, good elevated temperature strength properties to 1300ºF (700°C), and oxidation resistance to 1800ºF (983˚C). Lastly, Alloy X-750 is resistant to a wide variety of industrial corrosives under both oxidizing and reducing conditions, while also displaying excellent resistance to chloride stress corrosion cracking in fully age-hardened conditions.

X-750 Composition

 C
Mn
Si S Cr Ni Cb (Nb) Ti Al Fe Co Ta Cu
Min14.0 70.0 0.70 2.25 0.40 5.0
Max0.08 1.000.50 0.01 17.0 1.202.75
1.009.01.00.050.50

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