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)
Yield strength: 450 MPa (minimum)
Modulus of elasticity: 200 GPaBrinell hardness: 290 HB
Chemical composition (by weight):
Chromium (Cr): 22-24%
Nickel (Ni): 3-5%
Molybdenum (Mo): 0.1-0.6%
Nitrogen (N): 0.10–0.20%
Carbon (C): max. 0.030%
Manganese (Mn): max. 2%
Silicon (Si): max. 1%
Phosphorus (P): max. 0.035%
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)
Coefficient of thermal expansion: 13.5 µm/m·K (20–100°C)
Corrosion resistance: Alloy 1.4362 is a duplex stainless steel alloy that exhibits good resistance to pitting corrosion, stress corrosion cracking, and fatigue corrosion. It is resistant to a wide range of corrosive media, including seawater, chloride solutions, weak acids, and alkalis. This alloy also offers higher strength and improved ductility compared to austenitic stainless steels.
Applications:
Piping and tanks in the chemical industry
Seawater desalination systems
Food processing and storage
Bridge and offshore platform construction
Heat exchangers and condensers
Oil and gas industry
Note: This technical data sheet is for informational purposes only and is based on the state of knowledge as of September 2021. Please be aware that technical specifications are subject to change over time. It is recommended to obtain current data sheets from manufacturers or specialists to ensure you have the most up-to-date information.
