Stress Relieved R05200 Tantalum vs. Stress Relieved R05400 Tantalum
Both stress relieved R05200 tantalum and stress relieved R05400 tantalum are otherwise unclassified metals. Both are furnished in the stress relieved condition. Their average alloy composition is basically identical.
For each property being compared, the top bar is stress relieved R05200 tantalum and the bottom bar is stress relieved R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 5.7 | |
| 5.7 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 270 |
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 | 22 | |
| 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 | |
| 200 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 11 |
| Strength to Weight: Axial, points | 7.2 | |
| 7.2 |
| Strength to Weight: Bending, points | 7.6 | |
| 7.6 |
| Thermal Diffusivity, mm2/s | 25 | |
| 25 |
| Thermal Shock Resistance, points | 26 | |
| 26 |
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 |