Hastelloy C-22 alloy has excellent resistance to pitting, crevice corrosion and stress corrosion cracking. It has excellent resistance to oxidizing water media, including wet chlorine, nitric acid or a mixture of oxidizing acids containing chloride ions. Hastelloy C-22 alloy also has the ideal resistance to the reducing and oxidizing environments encountered during the process. Depending on the performance of this WAN energy, it can be used in some troublesome environments, or in a variety of production purpose plant applications. Hastelloy C-22 alloy has exceptional resistance to a variety of chemical environments, including strong oxidizing substances such as ferric chloride, copper chloride, chlorine, thermal contaminated solutions (organic and inorganic), formic acid, acetic acid, acetic anhydride, sea water and salt solutions. Hastelloy C-22 alloy has the ability to resist grain boundary precipitation formation in the weld heat affected zone, which makes it suitable for a variety of chemical process applications in the welding state.

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When alloying elements are added to steel, iron and carbon, the basic components of steel, interact with alloying elements. The purpose of steel alloying is to improve the microstructure and properties of steel by the interaction of alloying elements with iron and carbon and the influence on the phase diagram of iron and carbon and the heat treatment of steel.