C82500 Copper vs. Grade 21 Titanium
C82500 copper belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C82500 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, % | 1.0 to 20 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 1100 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 310 to 980 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 280 | |
| 310 |
| Melting Completion (Liquidus), °C | 980 | |
| 1740 |
| Melting Onset (Solidus), °C | 860 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 500 |
| Thermal Conductivity, W/m-K | 130 | |
| 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 | 10 | |
| 32 |
| Embodied Energy, MJ/kg | 160 | |
| 490 |
| Embodied Water, L/kg | 310 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 94 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 4000 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 32 |
| Strength to Weight: Axial, points | 18 to 35 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 17 to 27 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 38 | |
| 2.8 |
| Thermal Shock Resistance, points | 19 to 38 | |
| 66 to 100 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.15 | |
| 2.5 to 3.5 |
| Beryllium (Be), % | 1.9 to 2.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Cobalt (Co), % | 0.15 to 0.7 | |
| 0 |
| Copper (Cu), % | 95.3 to 97.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 0 to 0.2 | |
| 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), % | 0.2 to 0.35 | |
| 0.15 to 0.25 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.12 | |
| 76 to 81.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |