C99400 Brass vs. R05400 Tantalum
C99400 brass belongs to the copper alloys classification, while R05400 tantalum belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is C99400 brass and the bottom bar is R05400 tantalum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 69 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 210 to 540 |
| Tensile Strength: Yield (Proof), MPa | 230 to 370 | |
| 140 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 140 |
| Thermal Expansion, µm/m-K | 17 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 17 |
| Embodied Water, L/kg | 310 | |
| 650 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 590 | |
| 50 to 420 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 6.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 11 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 3.6 to 9.0 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 4.8 to 8.8 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 13 to 32 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 99.7 to 100 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |