Hastelloy C-22 Key Features

Hastelloy C-22 offers exceptional resistance to pitting, crevice corrosion, stress corrosion cracking, oxidizing and reducing acids, chlorides, and seawater, combined with excellent weldability, superior corrosion resistance in aggressive chemical environments, stable mechanical properties under high-temperature conditions, and long-term reliability in demanding industrial applications. Designed for severe corrosive media, Hastelloy C-22 provides outstanding performance across chemical processing, pollution control, pharmaceutical, marine, and energy industries.

Hastelloy C-22 Product Application

Hastelloy C-22 (UNS N06022 / Alloy C22) is a high-performance nickel-chromium-molybdenum alloy widely used in industries requiring exceptional corrosion resistance, oxidation resistance, and excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Designed for severe service environments, Hastelloy C-22 performs reliably under exposure to strong acids, chlorides, seawater, and aggressive chemical media.

Typical Hastelloy C-22 applications include:

Chemical Processing: Reactors, heat exchangers, process piping, storage tanks, mixing equipment, and corrosion-resistant chemical processing systems.

Pollution Control: Flue Gas Desulfurization (FGD) systems, scrubbers, exhaust gas treatment equipment, and environmental protection facilities.

Pharmaceutical & Fine Chemical Industry: High-purity process equipment, reaction vessels, piping systems, and contamination-resistant components.

Oil & Gas: Offshore equipment, valves, pumps, pressure vessels, and components exposed to corrosive production environments.

Marine & Offshore Engineering: Seawater piping, pumps, cooling systems, and marine components requiring superior chloride corrosion resistance.

Energy Industry: Power generation equipment, waste treatment systems, and high-temperature corrosion-resistant components.

Industrial Equipment: Welding components, fabricated structures, and customized corrosion-resistant parts for harsh operating conditions.

With its outstanding corrosion resistance, weldability, and long-term durability, Hastelloy C-22 remains one of the most trusted nickel-based alloys for demanding chemical processing and corrosion-resistant industrial applications worldwide.

Kaixin Alloy offers custom alloy compositions, sizes, dimensions, and product specifications according to customer requirements.