Technical data sheet for Alloy 1.4404:
Composition, in weight percent:
Carbon (C): max. 0.030%
Silicon (Si): max. 1.00%
Manganese (Mn): max. 2.00%
Phosphorus (P): max. 0.045%
Sulfur (S): max. 0.030%
Chromium (Cr): 16.50–18.50%
Nickel (Ni): 10.00–13.00%
Molybdenum (Mo): 2.00–2.50%
Mechanical properties:
Tensile strength: 520–700 MPa
Yield strength: min. 220 MPa
Elongation at break: min. 40%
Hardness: max. 215 HB
Impact toughness: min. 100 J at -196°C
Physical properties:
Density: 7.9 g/cm³
Melting point: 1,370–1,420°C
Thermal conductivity: 15–20 W/(m·K)
Electrical conductivity: 3.0–3.5 1/Ω·mm²
Corrosion resistance:
Alloy 1.4404 is known for its good corrosion resistance to many aggressive media such as hydrochloric acid, sulfuric acid, seawater, and chloride ions. This alloy is also resistant to stress corrosion cracking.
Applications:Alloy 1.4404 is frequently used in the chemical and petrochemical industries, the food industry, shipbuilding, and the medical sector.
Please note that the technical data may vary depending on the alloy composition, manufacturing process, and production conditions. The values stated are for guidance only and should not be regarded as exact specifications.
