General information:
Alloy: 1.4529, also known as Alloy 926 or UNS N08926
Chemical composition: 20–22% chromium, 24–26% nickel, 6–7% molybdenum, 0.05–0.2% nitrogen, <0.01% carbon, <2% manganese, <1% silicon, <0.03% phosphorus, <0.01% sulfur, balance iron
Standards: EN 10088-2, ASTM B625, ASTM A240/A240M
Mechanical properties:
Tensile strength: ≥ 650 MPa
Yield strength: ≥ 300 MPa
Elongation at break: ≥ 35%
Hardness: ≤ 220 HB
Modulus of elasticity: 200 GPa
Physical properties:
Density: 8.1 g/cm³
Melting point: 1320–1390°C
Thermal conductivity: 13.7 W/(m·K)
Electrical conductivity: 0.9 × 10⁶ S/m
Magnetizability: non-magnetic
Corrosion resistance:
Excellent resistance to a wide range of corrosive media such as sulfuric acid, nitric acid, phosphoric acid, seawater, and chloride-containing environments
High resistance to pitting corrosion and stress corrosion cracking
Good resistance to oxidizing and reducing media
Heat treatment:Solution annealing at 1150–1200°C, followed by rapid quenching in water or air
Applications:
Chemical industry: vessels, heat exchangers, piping systems, valves
Oil and gas industry: offshore facilities, pipelines, pressure vessels
Food industry: vessels, piping systems, heat exchangers
Pharmaceutical industry: vessels, piping systems, reactors
Marine environments: seawater desalination, shipbuilding applications
Note: This data sheet is for informational purposes only and is based on the information available at the time of preparation. It is recommended to verify the specific requirements of your application with the relevant standards and manufacturers.
