Annealed ASTM B522 Class I vs. Annealed R05400 Tantalum
Both annealed ASTM B522 class I and annealed R05400 tantalum are otherwise unclassified metals. Both are furnished in the annealed condition. There are 18 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is annealed ASTM B522 class I and the bottom bar is annealed R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 190 |
| Elongation at Break, % | 29 | |
| 28 |
| Poisson's Ratio | 0.41 | |
| 0.34 |
| Shear Modulus, GPa | 34 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 140 |
| Melting Completion (Liquidus), °C | 1030 | |
| 3020 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 140 |
| Thermal Expansion, µm/m-K | 15 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 17 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 64 | |
| 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 | |
| 50 |
| Stiffness to Weight: Axial, points | 3.1 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 11 |
| Strength to Weight: Axial, points | 4.4 | |
| 3.6 |
| Strength to Weight: Bending, points | 5.5 | |
| 4.8 |
| Thermal Shock Resistance, points | 13 | |
| 13 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Gold (Au), % | 68 to 70 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.030 |
| Platinum (Pt), % | 5.0 to 7.0 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 23.5 to 26.5 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 99.7 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.35 | |
| 0 |