Steel 1144
Steel 1144
High-strength resulfurized steel for shafts, arbors, studs, pins and precision machined components requiring good machinability and reduced distortion.
Representative Properties
- Typical tensile strength: 860 MPa
- Typical yield strength: 690 MPa
- Typical density: 7.85 g/cm³
- Typical hardness: 248 HB
- Standard: SAE/AISI 1144 / ASTM A108
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 1144 |
|---|---|
| Type | Carbon & Alloy Steel |
| Standard code | SAE/AISI 1144 / ASTM A108 |
| Tensile strength (MPa) | 860 |
| Yield strength (MPa) | 690 |
| Fatigue strength (MPa) | 390 |
| Elongation (%) | 10 |
| Hardness (Brinell) | 248 |
| Density (g/cm³) | 7.85 |
| Electrical resistivity (µΩ·in) | 6.8 |
| Thermal conductivity (W/m·K) | 50 |
| Melting range (°C) | 1420–1510 |
| Weldability | Poor |
| Formability | Fair |
| Shear modulus | 80 |
| Industry code | steel_1144 |