Characteristics: Corrosion Resistance
Standard: ASME, ASTM, EN, UNS, GB, DIN, JIS
Certification: ISO, CE, ROHS
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Minimum value of mechanical properties at room temperature
Alloy & State
Strength of extension
Hastelloy 188 characteristics:
Hastelloy 188 alloy are versatile nickel-chromium-molybdenum-tungsten alloys, which have better overall anti-corrosion properties than other existing nickel-chromium molybdenum alloys, including C-276, C4 alloy and 625 alloy. The alloy has good corrosion resistance, crevice corrosion and stress corrosion cracking ability. It has excellent antioxidant capacity, including wet chlorine, nitric acid or a mixture of oxidizing acids containing chloride ions. At the same time, the alloy also has the ideal resistance process to meet the reduction and oxidative environment capacity.
Depending on this versatility, he can be used in some troublesome environments, or in factories with multiple production purposes. Alloy has abnormal resistance of various chemical environment, including strong oxidizing substances, such as ferric chloride, copper chloride, chlorine, thermal pollution solution (organic, inorganic), formic acid, acetic acid, acetic anhydride, water and salt solution, etc. The alloy has the ability of resisting grain boundary precipitation in the welding heat affected zone, so that it can adapt to the application of many chemical processes in the welding state.
Hastelloy 188 structure: face centered cubic lattice.
Hastelloy 188 Corrosion Resistant:
Alloys are suitable for various chemical process industries containing oxidation and reducing rings. The higher molybdenum and chromium content enables the alloy to resist the chloride ion and the tungsten element further enhances its corrosion resistance. Hastelloy 188 is one of the several to be able to resist the corrosion of wet chlorine, hypochlorite and chlorine dioxide solution is one of the material, the alloy of high concentrations of chlorate solution with a remarkably corrosion resistance (such as ferric chloride and copper chloride).
The alloys have been widely used in chemical and petrochemical fields, such as the application of components and catalytic systems in contact with chlorinated organic compounds. This material is especially suitable for use in high temperature, mixed inorganic acid and organic acids (such as formic acid and acetic acid) and seawater corrosive environment.
Hastelloy 188 Application：
Acetic acid, acetic anhydride
Complex mixed acid
A roller for a galvanizing bath
Smoke cleaner system
Hydrogen fluoride furnace cleaner
Phosphoric acid production
Plate heat exchanger
Selective filtration system
Sulfur dioxide cooling tower
Tubular heat exchanger
The valve surfacing
Spot delivery, including delivering small batches of goods
Provide wide-range and complete materials series products
Cutting plates, including complex shapes of materials and special processing and disposal
Cutting bars and strips
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