R05200 Tantalum vs. R05400 Tantalum
Both R05200 tantalum and R05400 tantalum are otherwise unclassified metals. Their average alloy composition is basically identical.
For each property being compared, the top bar is R05200 tantalum and the bottom bar is R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 1.1 to 28 | |
| 1.1 to 28 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 210 to 540 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 140 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 140 |
| Thermal Conductivity, W/m-K | 59 | |
| 59 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 17 |
| Embodied Water, L/kg | 650 | |
| 650 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 5.5 to 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 50 to 420 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 11 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 4.8 to 8.8 |
| Thermal Diffusivity, mm2/s | 25 | |
| 25 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 13 to 32 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.010 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 99.8 to 100 | |
| 99.7 to 100 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 to 0.050 |