C63800 Bronze vs. Grade 21 Titanium
C63800 bronze belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C63800 bronze 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, % | 7.9 to 41 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 51 |
| Shear Strength, MPa | 320 to 500 | |
| 550 to 790 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1010 | |
| 890 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 310 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1740 |
| Melting Onset (Solidus), °C | 1000 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 500 |
| Thermal Conductivity, W/m-K | 40 | |
| 7.5 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 60 |
| Density, g/cm3 | 8.6 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 32 |
| Embodied Energy, MJ/kg | 45 | |
| 490 |
| Embodied Water, L/kg | 330 | |
| 180 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 32 |
| Strength to Weight: Axial, points | 15 to 33 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 11 | |
| 2.8 |
| Thermal Shock Resistance, points | 17 to 36 | |
| 66 to 100 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.1 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 92.4 to 95.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 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), % | 1.5 to 2.1 | |
| 0.15 to 0.25 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Zinc (Zn), % | 0 to 0.8 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |