C12600 Copper vs. C18700 Copper
Both C12600 copper and C18700 copper are copper alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is C12600 copper and the bottom bar is C18700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 56 | |
| 9.0 to 9.6 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 56 | |
| 43 |
| Shear Strength, MPa | 190 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 290 to 330 |
| Tensile Strength: Yield (Proof), MPa | 69 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1080 |
| Melting Onset (Solidus), °C | 1030 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 130 | |
| 380 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 8.9 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 41 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 24 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 | |
| 240 to 280 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.2 | |
| 9.0 to 10 |
| Strength to Weight: Bending, points | 10 | |
| 11 to 12 |
| Thermal Diffusivity, mm2/s | 39 | |
| 110 |
| Thermal Shock Resistance, points | 9.5 | |
| 10 to 12 |
Alloy Composition
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| Copper (Cu), % | 99.5 to 99.8 | |
| 98 to 99.2 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.5 |
| Phosphorus (P), % | 0.2 to 0.4 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |