Inconel 718, designated as UNS N07718 and Werkstoff Number 2.4668, هي قوة عالية, corrosion-resistant nickel chromium material used in the range from cryogenic temperatures up to long term service at 1200°F. The alloy is used extensively in aerospace, النووية, and petrochemical industries due to its combination of high-temperature strength, مقاومة ممتازة للتآكل, and ability to retain its properties under harsh conditions.