UNS range N06022 Other common names: Alloy C22 Hastelloy C22, conjointly called alloy C22, may be a versatile primary solid solution nickel-chromium-molybdenum-tungsten alloy with increased resistance to corroding, crevice corrosion and stress corrosion cracking. The high atomic number 24...
UNS range N06022
Other common names: Alloy C22
Hastelloy C22, conjointly called alloy C22, may be a versatile primary solid solution nickel-chromium-molybdenum-tungsten alloy with increased resistance to corroding, crevice corrosion and stress corrosion cracking. The high atomic number 24 content provides sensible resistance to oxidizing media whereas the metal and metal content provide sensible resistance to reducing media. This alloy steel alloy conjointly has wonderful resistance to oxidizing liquid media together with wet gas and mixtures containing aqua fortis or oxidizing acids with gas ions. alternative corrosives Hastelloy C-22 has resistance to ar oxidizing acid chlorides, wet gas, formic and carboxylic acid acids, metal and cuprous chlorides, sea water, brine and plenty of mixed or contaminated chemical solutions, each organic and inorganic. This alloy conjointly offers optimum resistance to environments wherever reducing and oxidizing conditions ar encountered in method streams. this is often useful in multi- purpose plants wherever such “upset” conditions occur ofttimes.
This alloy resists the formation of grain-boundary precipitates within the weld heat-affected zone, so creating it appropriate for many action applications within the as-welded condition.
Alloy C-22 shouldn't be utilized in service temperatures higher than 1250° F thanks to the typeation of prejudicious phases that form higher than this temperature.
Chemical Composition, %
|.010 max||20-22.5||2.5 max||2.0-6.0||.50 max||12.5-14.5||Balance||.02 max|
|.08 max||.02 max||2.5-3.5||.35 max|
Typical Room Temperature Tensile Properties of Annealed Material
|Product Form||Tensile (ksi)||.2% Yield (ksi)||Elongation %||Hardness (HRb)|