C17500 Copper vs. Grade 20 Titanium
C17500 copper belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium 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 C17500 copper and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 6.0 to 30 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 170 to 310 | |
| 550 to 630 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 47 |
| Shear Strength, MPa | 200 to 520 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 860 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 170 to 760 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 370 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1660 |
| Melting Onset (Solidus), °C | 1020 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 520 |
| Thermal Expansion, µm/m-K | 18 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 4.7 | |
| 52 |
| Embodied Energy, MJ/kg | 73 | |
| 860 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 120 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 2390 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 33 |
| Strength to Weight: Axial, points | 9.7 to 27 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 11 to 23 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 11 to 29 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 3.0 to 4.0 |
| Beryllium (Be), % | 0.4 to 0.7 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Cobalt (Co), % | 2.4 to 2.7 | |
| 0 |
| Copper (Cu), % | 95.6 to 97.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.3 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |