Stress Relieved ASTM B540 vs. Stress Relieved R05200 Tantalum
Both stress relieved ASTM B540 and stress relieved R05200 tantalum are otherwise unclassified metals. Both are furnished in the stress relieved condition. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is stress relieved ASTM B540 and the bottom bar is stress relieved R05200 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 9.1 | |
| 5.7 |
| Poisson's Ratio | 0.38 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 1040 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 930 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Melting Completion (Liquidus), °C | 1220 | |
| 3020 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 140 |
| Thermal Expansion, µm/m-K | 14 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 17 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 91 | |
| 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4030 | |
| 200 |
| Stiffness to Weight: Axial, points | 4.7 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 12 | |
| 11 |
| Strength to Weight: Axial, points | 23 | |
| 7.2 |
| Strength to Weight: Bending, points | 18 | |
| 7.6 |
| Thermal Shock Resistance, points | 51 | |
| 26 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 0 |
| Gold (Au), % | 9.5 to 10.5 | |
| 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 0.015 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 29 to 31 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 99.8 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |