Technical Data Sheet - Alloy 1.4762
General information:
Alloy: 1.4762
Trade name: 1.4762, also known as 446 or Ferralium 446
Chemical composition: 26% chromium, 0.20% molybdenum, 0.025% nitrogen, 0.02% carbon, 0.75% silicon, 0.50% copper, residual iron
Mechanical properties: Tensile strength: 550-750 MPa Yield point: ≥ 250 MPa Elongation at break: ≥ 25%
Physical Properties: Density: 7.75 g/cm³ Melting point: 1450-1510 °C Thermal conductivity: 21.5 W/(m K) at 100 °C
Thermal expansion coefficient: 10.5 x 10^-6 K^-1 (20-100 °C) Electrical conductivity: 0.10-0.15 Ω mm²/m
Corrosion resistance: The alloy 1.4762 is characterized by excellent resistance to oxidizing and reducing conditions. It offers good resistance to corrosion by sulphide compounds and shows excellent resistance to oxidation at high temperatures. The alloy is also corrosion resistant to chloride ions.
Applications: Alloy 1.4762 has applications in various industrial sectors, including:
High Temperature Applications: The alloy is commonly used in furnace and heat exchanger systems that are exposed to high temperatures. It offers excellent resistance to oxidation and creep at high temperatures.
Chemical processing: Due to its high corrosion resistance to aggressive chemicals, especially acids and sulfide compounds, the alloy is used in chemical processing plants.
Exhaust gas cleaning: Alloy 1.4762 is also used in exhaust gas cleaning systems where it must withstand high temperatures, chemical reactions and corrosive environments.
Power Generation: Because of its excellent resistance to oxidation and corrosion at high temperatures, the alloy is used in power generation applications, including power plants and gas turbines.
Note: This technical data sheet is for informational purposes only. Before using 1.4762 alloy it is advisable to review the specific requirements of your application and seek expert advice if necessary.
