C18700 Copper vs. C55181 Copper
Both C18700 copper and C55181 copper are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C18700 copper and the bottom bar is C55181 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 43 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1080 | |
| 790 |
| Melting Onset (Solidus), °C | 950 | |
| 710 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 28 |
| Density, g/cm3 | 9.0 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.4 |
| Embodied Energy, MJ/kg | 41 | |
| 38 |
| Embodied Water, L/kg | 310 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 6.5 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 8.9 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 8.2 |
Alloy Composition
| Copper (Cu), % | 98 to 99.2 | |
| 92.4 to 93 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 7.0 to 7.5 |
| Residuals, % | 0 | |
| 0 to 0.15 |