Product name: Nickel Alloy 2.4819, also known as Alloy 825 or UNS N08825
Main alloying elements: Nickel (Ni), chromium (Cr), molybdenum (Mo), iron (Fe)
Mechanical properties:
Tensile strength: 550–750 MPa
Yield strength: 220–400 MPa
Elongation at break: 30–45%
Hardness (Rockwell): —
Modulus of elasticity: 200 GPa
Physical properties:
Density: 8.1 g/cm³
Melting point: approx. 1350–1400°C
Thermal conductivity: 11–13 W/(m·K)
Electrical conductivity: 2–3% IACS (International Annealed Copper Standard)
Chemical composition, in weight percent:
Nickel (Ni): approx. 38–46%
Chromium (Cr): approx. 19–23.5%
Molybdenum (Mo): approx. 2.5–3.5%
Iron (Fe): approx. 22–30%
Other trace elements: copper (Cu), manganese (Mn), carbon (C), silicon (Si), sulfur (S)
Heat treatment:
Nickel Alloy 2.4819 can be strengthened by annealing or cold forming in order to achieve specific mechanical properties.
Corrosion resistance:
Nickel Alloy 2.4819 offers excellent resistance to a wide range of corrosive media, including sulfuric acid, hydrochloric acid, and phosphoric acid solutions. It is also resistant to stress corrosion cracking and pitting corrosion.
Applications:
Nickel Alloy 2.4819 is used in a wide range of applications, including:
Chemical processing plants: vessels, piping systems, heat exchangers
Oil and gas industry: downhole components, valves, pumps
Seawater environments: piping systems, heat exchangers, desalination plants
Power plant systems: condensers, heat exchangers, steam generators
Please note that the values stated are guideline values and may vary slightly depending on the manufacturing process and specific production batch. It is recommended to always check the exact specifications provided by the manufacturer.
