R05400 Tantalum vs. C35300 Brass
R05400 tantalum belongs to the otherwise unclassified metals classification, while C35300 brass belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (14, 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 R05400 tantalum and the bottom bar is C35300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 69 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 540 | |
| 340 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 380 |
| Thermal Conductivity, W/m-K | 59 | |
| 120 |
| Thermal Expansion, µm/m-K | 6.5 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.1 |
| Embodied Water, L/kg | 650 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 3.6 to 9.0 | |
| 12 to 22 |
| Strength to Weight: Bending, points | 4.8 to 8.8 | |
| 13 to 21 |
| Thermal Diffusivity, mm2/s | 25 | |
| 38 |
| Thermal Shock Resistance, points | 13 to 32 | |
| 11 to 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 60 to 63 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 99.7 to 100 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 33.9 to 38.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |