R05400 Tantalum vs. C61400 Bronze
R05400 tantalum belongs to the otherwise unclassified metals classification, while C61400 bronze belongs to the copper alloys. There are 20 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 R05400 tantalum and the bottom bar is C61400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 1.1 to 28 | |
| 34 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 540 to 570 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 220 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 420 |
| Thermal Conductivity, W/m-K | 59 | |
| 67 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.5 |
| Embodied Water, L/kg | 650 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 160 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 210 to 310 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 18 to 19 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 25 | |
| 19 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 18 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 6.0 to 8.0 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86 to 92.5 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 1.5 to 3.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |