Hastelloy C22 sheets and plates are a versatile nickel-chromium-molybdenum alloy known for exceptional corrosion resistance in harsh environments, including oxidizing and reducing conditions. They are highly resistant to pitting, crevice corrosion, and stress corrosion cracking, making them suitable for chemical processing, aerospace, pollution control, and marine applications. These materials also offer good high-temperature strength, excellent weldability, and can be formed into various shapes like coils, foils, and perforated sheets.
Key characteristics
Corrosion resistance: Excellent performance in both oxidizing and reducing chemical environments, with superior resistance to chloride-induced pitting and stress corrosion cracking.
High-temperature strength: Maintains good mechanical properties and creep strength at elevated temperatures, often up to
1500F1500 raised to the composed with power cap F
1500
(
816C816 raised to the composed with power cap C
816
).
Versatility: Can be fabricated into various forms, including sheets, plates, coils, and foil, and are easily welded and formed.
Weldability: Features excellent weldability without the need for post-weld heat treatment to prevent intergranular corrosion.
Common applications
Chemical processing: Used in equipment for chemical and pharmaceutical manufacturing due to its corrosion and hygienic properties.
Aerospace: Employed in high-temperature and corrosive conditions found in aerospace applications.
Pollution control: Utilized in scrubbers and combustion control equipment to handle acidic gases and liquids.
Oil and gas: Applied in heat exchangers, fluid catalytic cracking units, and separator vessels.
Nuclear power: Found in components for nuclear fuel reprocessing.
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