R05400 Tantalum vs. C99600 Bronze
R05400 tantalum belongs to the otherwise unclassified metals classification, while C99600 bronze belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (8, 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 R05400 tantalum and the bottom bar is C99600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 150 |
| Elongation at Break, % | 1.1 to 28 | |
| 27 to 34 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 56 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 560 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 250 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 440 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.1 |
| Embodied Water, L/kg | 650 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 130 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 210 to 310 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 10 |
| Stiffness to Weight: Bending, points | 11 | |
| 22 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 19 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 19 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.0 to 2.8 |
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 | |
| 50.8 to 60 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 39 to 45 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.2 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.1 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.3 |