Sheet Steel 1.2344 / 4X5MF1S
Material Description
Steel 1.2344 (4X5MF1S) is a hot-work tool steel known for its excellent heat resistance, high wear resistance, and outstanding toughness. It is widely used in die-casting, extrusion, and forging applications due to its ability to maintain strength and hardness at elevated temperatures.
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.35-0.42 |
| Silicon (Si) | 0.80-1.20 |
| Manganese (Mn) | 0.25-0.50 |
| Chromium (Cr) | 4.75-5.50 |
| Molybdenum (Mo) | 1.10-1.50 |
| Vanadium (V) | 0.80-1.20 |
| Sulfur (S) | ≤ 0.03 |
| Phosphorus (P) | ≤ 0.03 |
Mechanical Properties
| Parameter | Value |
|---|---|
| Density | 7.80 g/cm³ |
| Tensile Strength | 1200-1500 MPa |
| Yield Strength | 1000-1200 MPa |
| Hardness (after heat treatment) | 50-56 HRC |
| Thermal Conductivity | High |
Key Advantages
- Excellent heat resistance – retains strength and hardness at high temperatures.
- High wear resistance – ensures long tool life in demanding applications.
- Great toughness – withstands mechanical and thermal stresses effectively.
- Good machinability – allows for efficient manufacturing and tool production.
Main Applications
| Industry | Examples of Use |
|---|---|
| Die-Casting Industry | Dies for aluminum and zinc casting |
| Extrusion Industry | Hot extrusion tooling |
| Forging Industry | High-temperature forging tools |
| Plastic Molding | Injection molding tools exposed to heat and stress |
Conclusion
Steel 1.2344 / 4X5MF1S is an ideal material for high-performance tooling in hot-working applications. Its exceptional combination of heat resistance, wear resistance, and toughness makes it a preferred choice in various industrial sectors.
| Steel Grade EN | Steel Grade DIN | Supplied Dimensions (mm) | ||
|---|---|---|---|---|
| Thickness (mm) | Width (mm) | Length (mm) | ||
| X40CrMoV5-1 |
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