AWS BNi-5a vs. R05200 Tantalum
AWS BNi-5a belongs to the nickel alloys classification, while R05200 tantalum belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is AWS BNi-5a and the bottom bar is R05200 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 72 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 210 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 140 |
| Thermal Expansion, µm/m-K | 12 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 17 |
| Embodied Water, L/kg | 260 | |
| 650 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 11 |
| Strength to Weight: Axial, points | 17 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 17 | |
| 4.8 to 8.8 |
| Thermal Shock Resistance, points | 15 | |
| 13 to 32 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Boron (B), % | 1.0 to 1.5 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.010 |
| Chromium (Cr), % | 18.5 to 19.5 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 70.1 to 73.5 | |
| 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 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Selenium (Se), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 7.0 to 7.5 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 99.8 to 100 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zirconium (Zr), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |