C18400 Copper vs. Grade 12 Titanium
C18400 copper belongs to the copper alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C18400 copper and the bottom bar is grade 12 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 13 to 50 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 39 |
| Shear Strength, MPa | 190 to 310 | |
| 330 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 490 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 110 to 480 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 320 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1660 |
| Melting Onset (Solidus), °C | 1070 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 540 |
| Thermal Conductivity, W/m-K | 320 | |
| 21 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 37 |
| Density, g/cm3 | 8.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 31 |
| Embodied Energy, MJ/kg | 41 | |
| 500 |
| Embodied Water, L/kg | 310 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 120 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 980 | |
| 770 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 35 |
| Strength to Weight: Axial, points | 8.5 to 15 | |
| 32 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 32 |
| Thermal Diffusivity, mm2/s | 94 | |
| 8.5 |
| Thermal Shock Resistance, points | 9.6 to 17 | |
| 37 |
Alloy Composition
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| Arsenic (As), % | 0 to 0.0050 | |
| 0 |
| Calcium (Ca), % | 0 to 0.0050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.4 to 1.2 | |
| 0 |
| Copper (Cu), % | 97.2 to 99.6 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.3 |
| Lithium (Li), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 | |
| 0.6 to 0.9 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 97.6 to 99.2 |
| Zinc (Zn), % | 0 to 0.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |