X50CrMoW9-1-1 / 1.2631 Tool Steel

Steel Circle Delivery Forms1.2631 / X50CrMoW9-1-1

Steel circle 1.2631 / X50CrMoW9-1-1

Steel round 1.2631 (X50CrMoW9-1-1) is a high-performance tool steel designed for applications requiring high wear resistance and thermal stability. Due to its unique composition, it offers excellent toughness, hardenability, and resistance to high temperatures, making it a preferred choice for industrial tools and dies.

Properties and Composition

Steel 1.2631 is characterized by the following properties:

• High wear resistance due to its alloying elements;
• Excellent toughness and impact resistance;
• Good hardenability and dimensional stability after heat treatment;
• High thermal stability, allowing it to retain mechanical properties at elevated temperatures.

Chemical Composition:

• Carbon (C): 0.45-0.55%
• Silicon (Si): 0.10-0.40%
• Manganese (Mn): 0.20-0.50%
• Chromium (Cr): 8.00-10.00%
• Molybdenum (Mo): 0.80-1.20%
• Tungsten (W): 0.80-1.20%
• Phosphorus (P): ≤ 0.03%
• Sulfur (S): ≤ 0.03%

Applications

Steel circle 1.2631 is widely used in industrial manufacturing, particularly in:

• Hot working dies and tools;
• Extrusion dies for metal and plastic processing;
• Forging dies and press tools;
• High-performance cutting tools;
• Components subject to extreme mechanical and thermal stress.

Mechanical Characteristics

After appropriate heat treatment, steel 1.2631 exhibits:

• Hardness: 54-60 HRC after quenching;
• High wear resistance and toughness;
• Excellent resistance to cracking and chipping under load;
• Good machinability compared to other high-alloy tool steels.

Advantages of Using 1.2631 Steel

• Enhanced durability – withstands extreme working conditions;
• High heat resistance – maintains mechanical properties at elevated temperatures;
• Superior wear resistance – ideal for high-impact industrial applications;
• Optimized machinability – easier to process compared to some high-chromium steels.

This steel is a reliable choice for industries requiring high-performance tool steel for demanding environments. It combines wear resistance, thermal stability, and toughness, ensuring longevity and efficiency in industrial applications.