Tool Steel H13
Tool Steel H13 is the premier hot-work die steel, offering an excellent combination of toughness, heat resistance, and thermal fatigue resistance. It maintains hardness at temperatures up to 540°C, making it ideal for die casting and hot forging applications.
Machinability
38/100
Tolerance
±0.02 mm
Category
Tool Steel
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 1,380 MPa (200 ksi) |
| Yield Strength | 1,207 MPa (175 ksi) |
| Hardness | 44-52 HRC |
| Density | 7.80 g/cm³ |
| Machinability Rating | 38/100 |
| Thermal Conductivity | 24.3 W/m·K |
| Melting Point | 1,427 °C |
| Tolerance | ±0.02 mm |
Common Grades
H13AISI H13SKD611.2344
Advantages
- Excellent hot hardness
- Superior thermal fatigue resistance
- Good toughness
- Resists heat checking
Limitations
- Requires careful heat treatment
- Lower wear resistance than D2
- Relatively expensive
Common Applications
Die casting dies
Forging dies
Extrusion mandrels
Hot shear blades
Injection mold cores
Industries Served
Die CastingForgingPlastics MoldingExtrusion
Available Surface Finishes
NitridePVD CoatingPolishedBlack Oxide