Haynes® 214 Foil

Haynes® 214 Foil is a nickel-chromium-aluminum-iron alloy foil engineered for exceptional oxidation resistance at elevated temperatures, making it a key material in aerospace, energy, and high-temperature industrial systems. Its thin, flexible form enables its use in protective claddings, lightweight thermal barriers, and components subjected to aggressive oxidizing conditions. The alloy is particularly effective in forming a stable alumina scale, which ensures extended service life even under severe thermal cycling. Technologies benefiting from Haynes® 214 foil include high-temperature cladding in turbine engines, where alumina scales provide protective barriers against oxidation; additive manufacturing approaches like selective laser melting of oxide-dispersion-strengthened variants, which enhance high-temperature tensile strength and crack resistance; and vacuum processing systems, where Haynes® 214 foil minimizes outgassing while maintaining structural and chemical stability. In research, Haynes® 214 foils serve as model materials for oxidation kinetics, thermal cycling behavior, and photoemission studies, advancing fundamental understanding of superalloy surface reactions. By uniting lightweight formability with unmatched oxidation resistance, Haynes® 214 Foil continues to be a cornerstone in pushing the boundaries of high-temperature science and technology.