Inconel 622 is a nickel-chromium-cobalt-molybdenum alloy with an exceptional combination of metallurgical stability, strength and oxidation resistance at high temperatures. Resistance to oxidation is enhanced by an aluminum addition. The alloy also resists a wide range of corrosive aqueous environments. Inconel 622 is used in gas turbines for combustion cans, ducting and transition liners; for petrochemical processing; for heat-treating equipment; and in nitric acid production. Standard product forms are round, forging stock, extruded section, plate, sheet, strip, pipe, tube and wire.
Unit of Measure



N/A Inconel®


N/A Plates


N/A 5/8 inches


N/A 0.625 inches15.87 mm

Plate Weight per Unit Area

N/A 0.206 lbs/in²144.8323376 kg/m²

Nickel Alloy Compositions


N/A Inconel® 622

Basic Composition

N/A 14.2% Molybdenum 2.3% Iron 20.5% Chrominum 3.2% Tungsten 59.0% Nickel


N/A 0.305 lbs/in³8.44 g/cm³

ASTM Specification

N/A ASME SB-575 ASTM B575 UNS N06622