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.
Steel Circle Delivery Forms1.2631 / X50CrMoW9-1-1
Steel circles | |
| Steel grades | Dimensions supplied (mm) |
| Steel circle 1.2631 / X50CrMoW9-1-1 | 10 – 400 |

