Tool Steel S7
Tool Steel S7
Shock-resistant tool steel for punches, chisels, shear blades, rivet sets and impact tooling requiring high toughness.
Representative Properties
- Typical tensile strength: 1,750 MPa
- Typical yield strength: 1,450 MPa
- Typical density: 7.83 g/cm³
- Typical hardness: 560 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 S7 |
|---|---|
| Type | Carbon & Alloy Steel |
| Standard code | ASTM A681 |
| Tensile strength (MPa) | 1750 |
| Yield strength (MPa) | 1450 |
| Fatigue strength (MPa) | 650 |
| Elongation (%) | 7 |
| Hardness (Brinell) | 560 |
| Density (g/cm³) | 7.83 |
| Electrical resistivity (µΩ·in) | 28 |
| Thermal conductivity (W/m·K) | 28.5 |
| Melting range (°C) | 1425–1460 |
| Weldability | Poor |
| Formability | Poor |
| Shear modulus | 78 |
| Industry code | tool_steel_s7 |