Technical data sheet for alloy 1.4404:
Composition (in percent by weight):
Carbon (C): 0.030% max.
Silicon (Si): 1.00% max.
Manganese (Mn): max. 2.00%
Phosphorus (P): 0.045% max.
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 strength: 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 or chloride ions. This alloy is also resistant to stress corrosion cracking.
Applications:
Alloy 1.4404 is widely used in chemical and petrochemical industry, food industry, shipbuilding and medical field.
Please note that specifications may vary depending on alloy composition, manufacturing process and conditions. The values given are for guidance only and should not be considered precise.