Hastelloy.
Hastelloy plate is suitable for a variety of chemical industries containing oxidizing and reducing media. Higher molybdenum and chromium content makes the alloy resistant to chloride ion corrosion, and tungsten element further improves the corrosion resistance. At the same time C-276 Hastelloy tubes are one of only a few materials resistant to corrosion by moist chlorine, hypochlorite and chlorine dioxide solutions, and have significant corrosion resistance to high concentrations of chlorinated salt solutions such as ferric chloride and copper chloride.
Application areas, heat exchangers, bellows compensators, chemical equipment, flue gas desulfurization and denitrification, paper industry, aerospace applications, acidic environment.
Extended Information
Hastelloy C-276 alloy belongs to the nickel-molybdenum-chromium-iron-tungsten system of nickel-based alloys. It is one of the most corrosion-resistant of modern metal materials. Mainly resistant to wet chlorine, a variety of oxidizing chlorides, chloride solutions, sulfuric acid and oxidizing salts, in low temperature and medium temperature hydrochloric acid have good corrosion resistance. Therefore, nearly three decades, in harsh corrosive environments, such as chemical, petrochemical, flue gas desulfurization, pulp and paper, environmental protection and other industrial areas have a fairly wide range of applications.
Ha's C-276 alloy of various corrosion data is typical, but can not be used as a specification, especially in the unidentified environment, it must be tested before the selection of materials. Hastelloy C-276 alloy does not have enough Cr in it to resist corrosion in strongly oxidizing environments, such as hot, concentrated nitric acid. This alloy is produced primarily for chemical process environments, especially where mixed acids are present, such as the discharge pipe of a flue gas desulfurization system.
Baidu Encyclopedia - C276 Hastelloy