C18700 Copper vs. ASTM A514 Steel
C18700 copper belongs to the copper alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C18700 copper and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 18 to 21 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 43 | |
| 73 |
| Shear Strength, MPa | 170 to 190 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 400 to 440 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1460 |
| Melting Onset (Solidus), °C | 950 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 380 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 98 | |
| 7.2 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 8.3 to 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 9.0 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 41 | |
| 21 to 25 |
| Embodied Water, L/kg | 310 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 280 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 110 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 23 to 24 |