C19800 Copper vs. Grade 21 Titanium
C19800 copper belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 27 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 C19800 copper and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 140 |
| Elongation at Break, % | 9.0 to 12 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 51 |
| Shear Strength, MPa | 260 to 330 | |
| 550 to 790 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 550 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 420 to 550 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 310 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1740 |
| Melting Onset (Solidus), °C | 1050 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 500 |
| Thermal Conductivity, W/m-K | 260 | |
| 7.5 |
| Thermal Expansion, µm/m-K | 18 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 60 |
| Density, g/cm3 | 8.9 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 32 |
| Embodied Energy, MJ/kg | 43 | |
| 490 |
| Embodied Water, L/kg | 320 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 52 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 to 1320 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 32 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 75 | |
| 2.8 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 66 to 100 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 95.7 to 99.47 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.020 to 0.5 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0.1 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Phosphorus (P), % | 0.010 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.25 |
| Tin (Sn), % | 0.1 to 1.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Zinc (Zn), % | 0.3 to 1.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |