Materials / Steel
Steel AISI 1018
Steel AISI 1018 (mild, cold drawn) strength, stiffness, density and thermal properties, with their source.
A bracket in Steel AISI 1018, brushed finish.
| Process | Wrought |
|---|---|
| Mechanical | |
| Yield strength | 372MPasourceproducer-stated, cold drawn |
| Ultimate tensile strength | 441MPasourceproducer-stated, cold drawn |
| Elongation at break | 15%sourcein 2 in (50.8 mm) |
| Young's modulus (stiffness) | 200GPasourcebase material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018) |
| Density | 7,861kg/m³sourcebase material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018) |
| Strength to weight | 47.3kN·m/kg |
| Stiffness to weight | 25.4MN·m/kg |
| Poisson's ratio | 0.32sourcebase material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018) |
| Shear modulus | 75.7GPa |
| Bulk modulus | 185GPa |
| Speed of sound | 5,043m/s |
| Thermal | |
| Thermal conductivity | 51.9W/m·Ksourcebase material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018) |
| Thermal expansion | 12µm/m·Ksourcebase material: unalloyed carbon steel, Ovako family table (S275JR, 'none alloyed structural steels', C <= 0.21%); mean 20-300 °C |
| 100 mm part over a 50 °C swing | 60µm growth |
| Specific heat | 486J/kg·Ksourcebase material: AISI 1025 plain carbon steel (MIL-HDBK-5J design value; ASTM A108 bar is the cold-finished carbon-steel bar spec that also covers 1018) |
| Heats up and cools (diffusivity) | 13.6mm²/s |
| Thermal shock resistance | 5,473W/m |
| Values for | AISI 1018 cold drawn bar (Niagara LaSalle, cold-finished bar producer) |