Steel 8620
Steel 8620
Nickel-chromium-molybdenum carburizing steel for gears, pinions, camshafts, bushings and components requiring a hard wear surface with a tough core.
Representative Properties
- Typical tensile strength: 530 MPa
- Typical yield strength: 385 MPa
- Typical density: 7.85 g/cm³
- Typical hardness: 149 HB
- Standard: SAE/AISI 8620 / ASTM A29
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 | Steel 8620 |
|---|---|
| Type | Carbon & Alloy Steel |
| Standard code | SAE/AISI 8620 / ASTM A29 |
| Tensile strength (MPa) | 530 |
| Yield strength (MPa) | 385 |
| Fatigue strength (MPa) | 250 |
| Elongation (%) | 31 |
| Hardness (Brinell) | 149 |
| Density (g/cm³) | 7.85 |
| Electrical resistivity (µΩ·in) | 8.7 |
| Thermal conductivity (W/m·K) | 46.6 |
| Melting range (°C) | 1430–1510 |
| Weldability | Good |
| Formability | Good |
| Shear modulus | 80 |
| Industry code | steel_8620 |