Special Metals

INCONEL alloy 783

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An oxidation-resistant low coefficient of thermal expansion (low CTE) superalloy developed for gas turbine applications. The alloy is strengthened by a precipitation-hardening heat treatment made possible by additions of niobium and aluminium. In addition, the aluminium content provides excellent resistance to oxidation at high temperature. The alloy’s density is 5% less than those of superalloys such as INCONEL alloy 718. The combination of low expansion, high strength and excellent resistance to oxidation makes the alloy especially useful for gas turbine and steam turbine components. The low expansion enables closer control of clearances and tolerances for greater power output and fuel efficiency.

Available product forms for the INCONEL alloy 783

Round Bar, Flat Bar, Extruded Section, Billet Straight Forging and Ingot

Product Specifications

PDFDownload INCONEL alloy 783 PDF (0.41 MB)
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