Alloy C 22 (UNS N06022/W.Nr. 2.4602) has, by virtue of its contents of chromium, molybdenum, tungsten and controlled iron, excellent resistance to both oxidizing and reducing acid environments as well aas those containing mixed acids. It is particularly useful for resistance to pitting and crevice corrosion in acid-halide environments. Applications include the chemical processing, pollution control, flue gas desulfurization, waste incineration and pulp and paper processing industries.
Recommended filler metal for welding is Alloy C 22.
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