Hastelloy C-22

Hastelloy C-22 (Nickel Alloy C-22)

(UNS N06022)

A most versatile product like nickel-chromium-molybdenum-tungsten alloy available today with improved resistance to both localized and uniform corrosion as well as to a variety of mixed industrial chemicals but the Hastelloy C-22 alloy exhibits superior weldability and is used as weld overlay consumablesover and alloy filler wire to improve resistance to corrosion.

Hastelloy C-22 alloy has exceptional resistance to a wide variety of chemical process environments, including strong oxidizers such as cupric and ferric chlorides, chlorine, hot contaminated solutions like (inorganic and organic), acetic anhydride and acetic acids, formic, and seawater and brine solutions. Hastelloy C-22 alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition

 

Chemical Composition

Physical Properties

Product Designations & Standards

Applications

The versatile nature of Nicrofer 5621 hMoW combined with its excellent mechanical properties mean that it can be used in a wide variety of applications, including:

  • Organic Syntheses.
  • Flue Gas Desulphurization.
  • Electrolytic Galvanizing.
  • Plate Heat Exchangers.
  • Fine Chemicals Production.
  • Incineration Plants.

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