Tool Steel A2
Tool Steel A2
Air-hardening tool steel for punches, dies, gauges, forming tools and precision tooling requiring good wear resistance and dimensional stability.
Representative Properties
- Typical tensile strength: 1,900 MPa
- Typical yield strength: 1,600 MPa
- Typical density: 7.86 g/cm³
- Typical hardness: 630 HB
- Standard: ASTM A681
Values are representative for the named grade and condition. Final design and procurement must use certified supplier data and the applicable standard.
Material properties
| Material name | Tool Steel A2 |
|---|---|
| Type | Carbon & Alloy Steel |
| Standard code | ASTM A681 |
| Tensile strength (MPa) | 1900 |
| Yield strength (MPa) | 1600 |
| Fatigue strength (MPa) | 650 |
| Elongation (%) | 2 |
| Hardness (Brinell) | 630 |
| Density (g/cm³) | 7.86 |
| Electrical resistivity (µΩ·in) | 25 |
| Thermal conductivity (W/m·K) | 26 |
| Melting range (°C) | 1420–1460 |
| Weldability | Poor |
| Formability | Poor |
| Shear modulus | 78 |
| Industry code | tool_steel_a2 |