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HASTELLOY C22

Technical Information on Hastelloy C22

HASTELLOY C22 (UNS N06022) is a fully austenitic advanced corrosion-resistant alloy that offers resistance to both aqueous corrosion and attack at elevated temperatures. This alloy provides exceptional resistance to general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking.

Alloy 22 is nickel-base and typically contains 22% chromium, 14% molybdenum, and 3% tungsten. Iron is normally limited to less than 3%. The alloy’s high content of chromium gives it good resistance to wet corrosion by oxidizing media (e.g., nitric acid and ferric and cupric salts). Its contents of molybdenum and tungsten give the alloy resistance to wet reducing media (e.g., sulfuric and hydrochloric acids). Alloy 22 exhibits excellent resistance to corrosive attack by seawater under stagnant and flowing conditions.

WHAT IS HASTELLOY C22 USED FOR?

HASTELLOY C22 has found numerous applications in the chemical/petrochemical processing, pollution control (flue gas desulfurization), power, marine, pulp and paper processing, and waste disposal industries.

HASTELLOY C22 Round Bar diameters range from 0.125″ to 14.00″ diameter.

BAR / FORGINGS

PLATE / SHEET

REQUEST QUOTE HASTELLOY C22

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Example: 6Al-4V Titanium, 304 Stainless Steel, ETC.
Example: AMS 4911, MIL-S-5059, ASTM A276
Example for Plate / Sheet: 2.00"THK x 4.00"WD x 6.00"LG /////////// Round Bar: 2.00"DIA x 4.00"LG