Steel 12L14
Steel 12L14
Lead-bearing free-machining steel for fittings, bushings, fasteners, couplings and high-volume CNC or automatic screw-machine components.
Representative Properties
- Typical tensile strength: 540 MPa
- Typical yield strength: 415 MPa
- Typical density: 7.87 g/cm³
- Typical hardness: 163 HB
- Standard: SAE/AISI 12L14 / 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 12L14 |
|---|---|
| Type | Carbon & Alloy Steel |
| Standard code | SAE/AISI 12L14 / ASTM A108 |
| Tensile strength (MPa) | 540 |
| Yield strength (MPa) | 415 |
| Fatigue strength (MPa) | 240 |
| Elongation (%) | 10 |
| Hardness (Brinell) | 163 |
| Density (g/cm³) | 7.87 |
| Electrical resistivity (µΩ·in) | 6.8 |
| Thermal conductivity (W/m·K) | 51.9 |
| Melting range (°C) | 1420–1510 |
| Weldability | Poor |
| Formability | Fair |
| Shear modulus | 80 |
| Industry code | steel_12l14 |