C17300 Copper vs. Grade 21 Titanium
C17300 copper belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C17300 copper and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 140 |
| Elongation at Break, % | 3.0 to 23 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 51 |
| Shear Strength, MPa | 320 to 790 | |
| 550 to 790 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 1380 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 160 to 1200 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 270 | |
| 310 |
| Melting Completion (Liquidus), °C | 980 | |
| 1740 |
| Melting Onset (Solidus), °C | 870 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 500 |
| Thermal Conductivity, W/m-K | 110 | |
| 7.5 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 9.4 | |
| 32 |
| Embodied Energy, MJ/kg | 150 | |
| 490 |
| Embodied Water, L/kg | 310 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 40 to 88 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 5410 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 32 |
| Strength to Weight: Axial, points | 16 to 44 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 16 to 31 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 32 | |
| 2.8 |
| Thermal Shock Resistance, points | 17 to 48 | |
| 66 to 100 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.2 | |
| 2.5 to 3.5 |
| Beryllium (Be), % | 1.8 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 95.5 to 97.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.4 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 0.2 to 0.6 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 to 0.2 | |
| 0.15 to 0.25 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |