Inconel625 alloy is a solid solution strengthened nickel based deformation high-temperature alloy with molybdenum and niobium as the main strengthening elements. It has excellent corrosion resistance and oxidation resistance, and has good tensile and fatigue properties from low temperature to 980 ℃, as well as resistance to stress corrosion under salt spray atmosphere. Therefore, it can be widely used in the manufacturing of aviation engine components, aerospace structural components, and chemical equipment. This alloy is used for manufacturing engine casings, guide vanes, mounting edges and cylinders, fuel manifolds, and other components. It has passed practical application assessment and has a maximum operating temperature of 950 ℃; After long-term use at 550-700 ℃, the alloy exhibits some age hardening phenomenon, resulting in a slight decrease in its plasticity.
Characteristics
1. It has excellent corrosion resistance to various corrosive media in oxidation and reduction environments
2. Excellent resistance to spot corrosion and crevice corrosion, and no stress corrosion cracking caused by chlorides
3. Excellent resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, and mixed acids of sulfuric acid and hydrochloric acid
4. Excellent resistance to corrosion from various inorganic acid mixed solutions
5.When the temperature reaches 40 ℃, it can exhibit good corrosion resistance in various concentrations of hydrochloric acid solution
6. Good processability and weldability, without sensitivity to post weld cracking
7. Manufacturing certification of pressure vessels with wall temperatures between -196 and 450 ℃
8. Certified by the American Society of Corrosion Engineers (MR-01-75) to meet the highest standard level VII for use in acidic gas environments
Application
The low-carbon alloy 625 after softening and annealing is widely used in the chemical process industry, and its good corrosion resistance and high strength make it a thinner structural component. 625 alloy can be applied in situations where it comes into contact with seawater and withstands high mechanical stress. Typical application areas:
1. Components of organic chemical processes containing chlorides, especially when using acidic chloride catalysts
2. Cooking and bleaching tanks used in the pulp and paper industry
3. Absorption tower, reheater, flue gas inlet baffle, fan (wet), agitator, guide plate, and flue in the flue gas desulfurization system
4. Equipment and components used for manufacturing applications in acidic gas environments
5. Acetic acid and acetic anhydride reaction generator
6. Sulfuric acid condenser
Artison is a supplier of aerospace components; Products include impeller, turbine, combustion chamber, fastener, etc.
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