Cold Worked R05200 Tantalum vs. Cold Worked R05400 Tantalum
Both cold worked R05200 tantalum and cold worked R05400 tantalum are otherwise unclassified metals. Both are furnished in the cold worked (strain hardened) condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is cold worked R05200 tantalum and the bottom bar is cold worked R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 1.1 | |
| 1.1 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Melting Completion (Liquidus), °C | 3020 | |
| 3020 |
| 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 | |
| 5.5 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 | |
| 420 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 11 |
| Strength to Weight: Axial, points | 9.0 | |
| 9.0 |
| Strength to Weight: Bending, points | 8.8 | |
| 8.8 |
| Thermal Diffusivity, mm2/s | 25 | |
| 25 |
| Thermal Shock Resistance, points | 32 | |
| 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 |