R05400 Tantalum vs. C66200 Brass
R05400 tantalum belongs to the otherwise unclassified metals classification, while C66200 brass belongs to the copper alloys. There are 20 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 R05400 tantalum and the bottom bar is C66200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 1.1 to 28 | |
| 8.0 to 15 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 69 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 450 to 520 |
| Tensile Strength: Yield (Proof), MPa | 140 to 390 | |
| 410 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 200 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Conductivity, W/m-K | 59 | |
| 150 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.7 |
| Embodied Water, L/kg | 650 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 53 | |
| 40 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 420 | |
| 760 to 1030 |
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 25 | |
| 45 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 16 to 18 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86.6 to 91 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0.3 to 1.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.2 to 0.7 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 6.5 to 12.9 |
| Residuals, % | 0 | |
| 0 to 0.5 |