C-276 C22 Hastelloy Alloy Pipe

c-276 c22 Hastelloy alloy Pipe

Hastelloy C276 alloy is mainly used to solve the intergranular corrosion of C grade, reducing the carbon and silicon in the alloy to very low levels, avoiding the intergranular continuous grain boundary precipitation phase in the welding heat affected zone, so that the alloy has no Intergranular corrosion. However, the thermal stability of the alloy is not good. Hastelloy C-276 alloy is one of the few materials that can be used in hot concentrated H2SO4 solutions. It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride salt solutions, H2SO4 and oxidizing salts, and is resistant to both low and medium temperature HCl. Has very good corrosion resistance. Therefore, in the past thirty years, it has been widely used in harsh corrosive environments, such as chemical industry, petrochemical industry, flue gas desulfurization, pulp and paper making, environmental protection and other industrial fields.
Hastelloy C-22 (UN S N06022/W.Nr. 2.4602/Alloy C-22) is a nickel-based high-temperature alloy containing nickel, molybdenum, cobalt, tungsten and other elements, with a nickel content of about 60%. It is a general-purpose nickel-chromium-molybdenum alloy with better overall corrosion resistance than other existing nickel-chromium-molybdenum alloys, including Hastelloy C-276, Alloy 625. Hastelloy C22 alloy has good resistance to pitting corrosion, crevice corrosion and stress corrosion cracking. It has excellent antioxidant properties n aqueous media, including wet chlorine, nitric acid or mixed acids containing oxidizing acids containing chloride ions.

C-276 C22 Hastelloy Alloy Pipe process & size

Gnee Group participated in the NECC exhibition