X22CrMoV12-1, 1.4923, 17134 – Heat-resistant stainless steel

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. The typical composition of this steel includes:

• 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. The main areas of application include:

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.