R05200 Tantalum vs. A360.0 Aluminum
R05200 tantalum belongs to the otherwise unclassified metals classification, while A360.0 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 R05200 tantalum and the bottom bar is A360.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 72 |
| Elongation at Break, % | 1.1 to 28 | |
| 1.6 to 5.0 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 69 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 180 to 320 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 170 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 900 |
| Thermal Conductivity, W/m-K | 59 | |
| 110 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 2.6 |
| Embodied Water, L/kg | 650 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 4.6 to 13 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 190 to 470 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 15 |
| Stiffness to Weight: Bending, points | 11 | |
| 53 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 19 to 34 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 27 to 39 |
| Thermal Diffusivity, mm2/s | 25 | |
| 48 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 8.5 to 15 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 85.8 to 90.6 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.6 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 0.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 9.0 to 10 |
| Tantalum (Ta), % | 99.8 to 100 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.25 |