C18700 Copper vs. Titanium 6-6-2
C18700 copper belongs to the copper alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C18700 copper and the bottom bar is titanium 6-6-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 9.0 to 9.6 | |
| 6.7 to 9.0 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 44 |
| Shear Strength, MPa | 170 to 190 | |
| 670 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 330 | |
| 1140 to 1370 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 1040 to 1230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 310 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1610 |
| Melting Onset (Solidus), °C | 950 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 540 |
| Thermal Conductivity, W/m-K | 380 | |
| 5.5 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 98 | |
| 1.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 2.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 40 |
| Density, g/cm3 | 9.0 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 29 |
| Embodied Energy, MJ/kg | 41 | |
| 470 |
| Embodied Water, L/kg | 310 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 89 to 99 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 34 |
| Strength to Weight: Axial, points | 9.0 to 10 | |
| 66 to 79 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 110 | |
| 2.1 |
| Thermal Shock Resistance, points | 10 to 12 | |
| 75 to 90 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 98 to 99.2 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 | |
| 0.35 to 1.0 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 6.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 82.8 to 87.8 |
| Residuals, % | 0 | |
| 0 to 0.4 |