Tool Steel D2
Tool Steel D2 is a high-carbon, high-chromium cold-work die steel with excellent wear resistance and edge retention. It offers good dimensional stability during heat treatment and is semi-stainless with approximately 12% chromium.
Machinability
27/100
Tolerance
±0.02 mm
Category
Tool Steel
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 862 MPa (125 ksi) |
| Yield Strength | 690 MPa (100 ksi) |
| Hardness | 58-62 HRC |
| Density | 7.70 g/cm³ |
| Machinability Rating | 27/100 |
| Thermal Conductivity | 20.0 W/m·K |
| Melting Point | 1,421 °C |
| Tolerance | ±0.02 mm |
Common Grades
D2AISI D2SKD111.2379
Advantages
- Excellent wear resistance
- Good edge retention
- Semi-stainless
- Good dimensional stability
Limitations
- Difficult to machine when hardened
- Low toughness
- Not weldable
- Requires grinding after hardening
Common Applications
Stamping dies
Blanking punches
Forming rolls
Knives
Slitters
Gauges
Industries Served
Tooling & Die MakingAutomotiveIndustrial Machinery
Available Surface Finishes
Black OxideNitridePVD CoatingPolished