Inconel X-750 Corrosion and Oxidation Resistance and High Strength up to 1300°F
Inconel X750 is a precipitation-hardenable nickel-chromium alloy used for its corrosion and oxidation resistance and high strength at temperatures to 1300°F. Although much of the effect of precipitation hardening is lost with increasing temperature over 1300°F, heat-treated material has useful strength up to 1800°F. Alloy X-750 also has excellent properties down to cryogenic termperatures.
The economics of INCONEL alloy X-750 coupled with its availability in all standard mill forms has resulted in applications in a wide variety of industrial fields. In gas turbines, it is used for rotor blades and wheels, bolts, and other structural members. INCONEL X-750 is used extensively in rocket-engine thrust chambers. Airframe applications include thrust reversers and hot-air ducting systems. Large pressure vessels are formed from INCONEL alloy X-750. Other applications are heat-treating fixtures, forming tools, extrusion dies, and test machine grips. For springs and fasteners, INCONEL X-750 is used from sub-zero to 1200°F.
Chemical composition
Element | Ni | Cr | Fe | Ti | Al | Nb | Mn | Si | S | Cu | C | Co |
Weight(%) | 70.0 min | 14.0~17.0 | 5.0~9.0 | 2.25~2.7 | 0.4~1.0 | 0.7~1.2 | 1.0 max | 0.5 max | 0.010 max | 0.5 max | 0.08 max | 1.0 max |
Features
Applications