Steel Round 1.3243 / R6M5K5 / HS6-5-2-5
Material Description
Steel round 1.3243 (R6M5K5 / HS6-5-2-5) is a high-speed tool steel characterized by increased hardness, wear resistance, and thermal stability. Due to the presence of cobalt, this alloy has enhanced heat resistance and retains its mechanical properties at high temperatures.
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.85-0.95 |
| Silicon (Si) | 0.20-0.45 |
| Manganese (Mn) | 0.15-0.40 |
| Chromium (Cr) | 3.80-4.50 |
| Tungsten (W) | 5.50-6.50 |
| Molybdenum (Mo) | 4.50-5.50 |
| Vanadium (V) | 1.70-2.10 |
| Cobalt (Co) | 4.50-5.00 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.03 |
Mechanical Properties
| Parameter | Value |
|---|---|
| Hardness after Hardening | 64-67 HRC |
| Tensile Strength | 2000-2500 MPa |
| Heat Resistance | Up to 620°C |
| Wear Resistance | High |
Key Advantages
- High hardness and wear resistance – ensures durability and resistance to intense loads.
- Heat resistance – retains mechanical properties at high temperatures.
- Increased impact toughness – withstands shock loads effectively.
- Excellent hardenability – uniform hardness distribution throughout the cross-section.
Main Applications
| Industry | Examples of Use |
|---|---|
| Tool Manufacturing | Cutting tools, drills, milling cutters |
| Metalworking | Molds, dies, blades |
| Aerospace Engineering | High-wear-resistant components |
| Energy Sector | High-temperature components |
Steel circle delivery form 1.3243 / P6M5K5
Steel circles | |
| Steel grades | Dimensions supplied (mm) |
| Steel circle 1.3243 / P6М5К5 | 3-200 |
