General information:
Alloy type: 1.4923
Main alloying elements: Iron (Fe), chromium (Cr), molybdenum (Mo), nickel (Ni)
International standard: EN 10028-2
Mechanical properties:
Tensile strength: 700–900 MPa
Yield strength: 400–600 MPa
Elongation at break: 20–35%
Hardness (Rockwell): 25–35 HRC
Modulus of elasticity: 210 GPa
Physical properties:
Density: 7.8 g/cm³
Melting point: approx. 1450–1500°C
Thermal conductivity: 25 W/(m·K)
Electrical conductivity: —
Chemical composition, in weight percent:
Carbon (C): max. 0.20%
Chromium (Cr): 0.90–1.20%
Molybdenum (Mo): 0.15–0.30%
Nickel (Ni): max. 0.40%
Manganese (Mn): max. 0.60%
Silicon (Si): max. 0.60%
Phosphorus (P): max. 0.025%
Sulfur (S): max. 0.010%
Heat treatment:
Alloy 1.4923 can be heat treated in order to improve its mechanical properties. The most common heat treatment conditions are:
Quenching and tempering: Heating to 920–950°C followed by quenching in water or oil.
Tempering: Heating to 650–700°C followed by slow cooling in air.
Corrosion resistance:
Alloy 1.4923 offers good resistance to oxidizing and reducing environments at medium temperatures. However, it is not resistant to strong acids and alkaline solutions.
Applications:
Alloy 1.4923 is used in various applications, including:
Power generation: piping systems, heat exchangers
Chemical industry: vessels, reactors, fittings
Petrochemical industry: refinery equipment, catalytic converters
Food industry: processing equipment, heat exchangers
Please note that the values stated are guideline values and may vary slightly depending on the manufacturing process and specific production batch. It is recommended to always check the exact specifications provided by the manufacturer.
