Grade 18 Titanium vs. CC494K Bronze
Grade 18 titanium belongs to the titanium alloys classification, while CC494K bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is grade 18 titanium and the bottom bar is CC494K bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 11 to 17 | |
| 7.6 |
| Poisson's Ratio | 0.32 | |
| 0.35 |
| Shear Modulus, GPa | 40 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 540 to 810 | |
| 94 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 160 |
| Melting Completion (Liquidus), °C | 1640 | |
| 970 |
| Melting Onset (Solidus), °C | 1590 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 360 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 63 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 9.1 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 3.1 |
| Embodied Energy, MJ/kg | 670 | |
| 50 |
| Embodied Water, L/kg | 270 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 13 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 to 3110 | |
| 43 |
| Stiffness to Weight: Axial, points | 13 | |
| 6.4 |
| Stiffness to Weight: Bending, points | 35 | |
| 17 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 6.5 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 8.8 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 19 |
| Thermal Shock Resistance, points | 47 to 67 | |
| 7.8 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 to 0.010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 78 to 87 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 8.0 to 10 |
| Manganese (Mn), % | 0 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 0 to 2.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 | |
| 0 to 0.010 |
| Sulfur (S), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 4.0 to 6.0 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 2.0 |
| Residuals, % | 0 to 0.4 | |
| 0 |