General information:
Alloy: 1.4501, also known as UNS S32760 or Zeron 100
Type: Super duplex stainless steel
Main alloying elements: Chromium (24–26%), nickel (6–8%), molybdenum (3–4%), copper (0.5–1%), nitrogen (0.2–0.3%), balance iron
Mechanical properties:
Tensile strength: 750 MPa minimum
Yield strength: 550 MPa minimum
Modulus of elasticity: 200 GPa
Brinell hardness: 290 HB
Chemical composition, in weight percent:
Chromium (Cr): 24–26%
Nickel (Ni): 6–8%
Molybdenum (Mo): 3–4%
Copper (Cu): 0.5–1%
Nitrogen (N): 0.2–0.3%
Carbon (C): max. 0.03%
Manganese (Mn): max. 1%
Silicon (Si): max. 1%
Phosphorus (P): max. 0.03%
Sulfur (S): max. 0.01%
Iron (Fe): balance
Physical properties:
Density: 7.8 g/cm³
Melting point: approx. 1350°C
Thermal conductivity: 12 W/(m·K)
Coefficient of thermal expansion: 12.8 µm/m·K (20–100°C)
Corrosion resistance:
Alloy 1.4501 belongs to the group of super duplex stainless steels and offers excellent corrosion resistance in aggressive environments. It is resistant to pitting corrosion, stress corrosion cracking, and corrosion fatigue in seawater, acidic solutions, and chloride-containing media. The alloy is also characterized by good resistance to intergranular corrosion.
Applications:
Offshore and subsea applications
Chemical and petrochemical industry
Seawater desalination systems
Food processing and storage
Oil and gas industry
Heat exchangers and condensers
Construction of piping systems and vessels
Note: This technical data sheet is for informational purposes only and is based on the current state of knowledge up to September 2021. Please note that technical specifications may change over time. It is recommended to obtain current data sheets from manufacturers or technical specialists in order to receive the latest information.
