1.4529 desulfurization and denitrification alloy six molybdenum steel
Tensile strength of mechanical properties: σb≥650Mpa.
Elongation: δ≥35%
Material description: It has extremely high pitting corrosion resistance and crevice corrosion resistance in halide medium and acidic environment containing hydrogen sulfide, and can effectively resist chloride ion stress corrosion. It also has good corrosion resistance and stability in oxidation and reduction media, and its mechanical properties are better than 904L. It can be used to manufacture pressure vessels at-196 to 400℃.
The typical working condition is 60% sulfuric acid, below 80℃, and the annual corrosion rate is < 0.1mm.
Application fields: flue gas desulfurization devices, evaporators, heat exchangers, screening procedures and mixers for phosphoric acid production, sulfuric acid conveying devices, condensers, fire extinguishing systems, seawater filtration systems, hydraulic and recharge piping systems in marine industry, pulp drifting systems, salt evaporation condensers, polluted cooling water piping systems in power plants, reverse osmosis seawater desalination devices, corrosive chemicals transportation storage tanks, and organic production equipment catalyzed by halogen acid.
Matching welding materials: welding wire ERNiCrMo-3 and covered electrode en crmo-3.