1.4923 Steel Round Bars

Steel grade 1.4923, commonly referred to as X20CrMoV121, is a high-temperature alloy steel primarily used in power generation and industrial applications, especially in components exposed to elevated temperatures.

Composition

• Chromium (Cr): Typically, around 20%, which enhances corrosion resistance and strength.
• Molybdenum (Mo): Approximately 1% to improve hardness and creep resistance.
• Vanadium (V): Around 0.2% to enhance strength and toughness.
• Carbon (C): Generally, around 0.2%, providing hardness and strength.
• Other Elements: May include small amounts of silicon, manganese, and nickel.

Properties

• High-Temperature Strength: Maintains mechanical properties at temperatures up to 600°C (1112°F).
• Creep Resistance: Designed to resist deformation over time under high stress and temperature.
• Oxidation Resistance: Good resistance to oxidizing environments, making it suitable for high-temperature applications.

Applications

• Power Generation: Commonly used in steam turbine components, such as superheaters, reheaters, and high-pressure piping.
• Petrochemical Industry: Utilized in reactors and heat exchangers where high temperatures and pressures are present.
• Aerospace: Some applications in components subjected to high thermal stresses.

Fabrication

• Welding: Can be welded using suitable methods, though preheating and post-weld heat treatment are often required to minimize the risk of cracking.
• Machinability: Generally good machinability, though care must be taken due to its hardness.

Standards

1.4923 conforms to various international standards, such as ASTM and EN, ensuring it meets specific performance and quality requirements.

In summary, steel grade 1.4923 is a specialized alloy steel offering excellent performance in high-temperature applications, making it a crucial material in industries that demand durability and reliability under challenging conditions.

Steel Grade Is Utilized In: -

Steel grade 1.4923 (X20CrMoV121) is utilized in various high-temperature applications, primarily in industries where strength, durability, and resistance to creep and oxidation are critical. Key applications include:

1. Power Generation

• Steam Turbines: Components such as rotor blades and casings, which operate under high temperatures and pressures.
• Boiler Components: Superheater tubes and headers that need to withstand extreme thermal conditions.

2. Petrochemical Industry

• Heat Exchangers: Used in equipment that handles high-temperature fluids.
• Reactors: Suitable for processes that involve corrosive environments at elevated temperatures.

3. Aerospace

• Turbine Parts: Components in jet engines and other high-performance aerospace applications requiring high strength at elevated temperatures.

4. Industrial Equipment

• Furnace Components: Parts exposed to high heat and aggressive environments in manufacturing processes.

5. Research and Development

• Used in experimental setups where high-temperature materials are needed for testing and research purposes.

Overall, 1.4923 is essential in applications that demand high performance and reliability under extreme conditions.

Detailed Description About the Steel Grade Along with Chemical Properties In A Tabular Format Along With Mechanical Properties: -

Here’s a detailed description of steel grade 1.4923 (X20CrMoV121), including its chemical and mechanical properties in a tabular format:

Chemical Properties

Mechanical Properties

Bottom of Form

Summary

• High-Temperature Applications: Designed for environments that require durability and strength under heat.
• Weldability: Requires careful welding practices, often involving preheating and post-weld heat treatment.
• Common Uses: Found in steam turbines, boiler parts, heat exchangers, and aerospace components.

This tabular format provides a clear overview of both the chemical composition and mechanical properties of steel grade 1.4923, highlighting its suitability for demanding applications.