X22CrMoV12-1, 1.4923, 17134 – Corrosion-resistant, heat-resistant, chromium steel with addition of molybdenum. Grade X22CrMoV12-1 material, also known by the designation 1.4923, alternatively ČSN EN 17134.
It is a high-performance material often used in various industrial sectors. It is used as a standard for steel components in steam turbines, generators, and high-temperature fastening parts. Thermal resistance up to approximately 600 °C. Corrosion resistance in a natural environment is limited due to the relatively low chrome content. Steam resistant. Used mainly in the turbine structures, aviation, and pressure and steam boilers.
Drawn round bars from a diameter of 4 mm in stock. Rolled bars from a diameter of 20 mm to 290 mm in stock. Forged, peeled bars from a diameter of 170 mm to 300 mm in stock. Larger diameters available on order.
Properties of X22CrMoV12-1, 1.4923 steel, ČSN EN 17134
Grade X22CrMoV12-1, 1.4923 steel is characterized by several key properties that make it the preferred material in many technical and industrial applications.
- High strength: Due to its high content of chromium and molybdenum, this steel has excellent mechanical strength and hardness.
- Resistance to corrosion: The presence of chromium ensures increased corrosion resistance, which is critical for long service life in aggressive environments.
- Stability at high temperatures: X22CrMoV12-1, 1.4923, 17 134 steel retains its mechanical properties even at extremely high temperatures, making it ideal for applications in the energy industry.
- Excellent machinability: Despite its hardness, this steel offers good machinability, making it easier to process and manufacture components.
Chemical composition
The chemical composition of X22CrMoV12-1, 1.4923, 17 134 steel is carefully balanced to provide an optimal combination of mechanical and physical properties.
Carbon (C): 0.18–0.24%
Chromium (Cr): 11.0–12.5%
Molybdenum (Mo): 0.90–1.20%
Vanadium (V): 0.25–0.35%
Silicon (Si): 0.20–0.50%
Manganese (Mn): 0.30–0.70%
Phosphorus (P): max. 0.030%
Sulphur (S): max. 0.015%
Mechanical properties
Tensile strength: up to 880 MPa
Yield strength: min. 280 MPa
Ductility: 15–20%
Impact strength: up to 45 J at 20 °C
High temperature applications: up to 600 °C
Hardness (HB): 220–270
Industrial uses
X22CrMoV12-1, 1.4923 steel is used in many industries due to its excellent properties.
- Energy industry – X22CrMoV12-1, 1.4923 steel is widely used in the energy industry, particularly in steam turbines and boilers. These applications require high temperature resistance and mechanical strength.
- Oil and gas industry – In the oil and gas industry, this steel is used to manufacture critical components. These components must withstand corrosive environments and high pressures.
- Automotive industry – Due to its strength and wear resistance, X22CrMoV12-1, 1.4923 steel is ideal for manufacturing engine components. It is also used for other critical parts in the automotive industry.
- Aerospace industry – Grade 1.4923 steel is also used in the aerospace industry, specifically for parts that must withstand high temperatures and mechanical stress.
X22CrMoV12-1, 1.4923, ČSN EN 17134 material is an excellent choice for demanding industrial applications. It has unique properties and chemical composition with a wide range of uses. Its high thermal resistance, mechanical strength, and corrosion resistance make it indispensable in many industries.
