Titanium 4-4-2 vs. C82700 Copper
Titanium 4-4-2 belongs to the titanium alloys classification, while C82700 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is C82700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 10 | |
| 1.8 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 1200 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 1020 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 300 |
| Melting Completion (Liquidus), °C | 1610 | |
| 950 |
| Melting Onset (Solidus), °C | 1560 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 380 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 130 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.7 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 12 |
| Embodied Energy, MJ/kg | 480 | |
| 180 |
| Embodied Water, L/kg | 180 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 4260 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 34 | |
| 19 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 38 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 29 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 39 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 41 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 2.4 to 2.6 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.090 |
| Copper (Cu), % | 0 | |
| 94.6 to 96.7 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 1.0 to 1.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 0.15 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 to 0.1 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |