General information:
Alloy: 1.4362 (also known as UNS S32304, SAF 2304)
Type: Duplex stainless steel
Main alloying elements: chromium (22-24%), nickel (3-5%), molybdenum (0.1-0.6%), nitrogen (0.10-0.20%), iron (balance)
Mechanical properties:
Tensile strength: 620 MPa (minimum value)
Yield strength: 450 MPa (minimum value)
Modulus of elasticity: 200 GPa Brinell hardness: 290 HB
Chemical composition (in percent by weight):
Chromium (Cr): 22-24%
Nickel (Ni): 3-5%
Molybdenum (Mo): 0.1-0.6%
Nitrogen (N): 0.10-0.20%
Carbon (C): 0.030% max.
Manganese (Mn): max. 2%
Silicon (Si): max. 1%
Phosphorus (P): 0.035% max.
Sulfur (S): max. 0.015%
Iron (Fe): balance
Physical Properties:
Density: 7.8 g/cm³
Melting point: approx. 1450°C
Thermal conductivity: 18 W/(m K)
Thermal expansion coefficient: 13.5 µm/m K (20-100°C)
Corrosion Resistance:
1.4362 alloy is a duplex stainless steel alloy that exhibits good resistance to pitting corrosion, stress corrosion cracking and fatigue corrosion. It is resistant to a variety of corrosive media such as seawater, chloride solutions, weak acids and alkalis. This alloy also offers higher strength and better ductility compared to austenitic stainless steels.
Applications:
Pipelines and vessels in the chemical industry
Seawater desalination systems
Food processing and storage
Construction of bridges and offshore platforms
Heat exchangers and condensersoil and gas industry
Note: This technical data sheet is for informational purposes only and is based on the current state of knowledge as of September 2021. Please note that technical specifications are subject to change over time. It is recommended that current data sheets be obtained from manufacturers or professionals for the latest information.
