C61900 Bronze vs. Type 2 Niobium
C61900 bronze belongs to the copper alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C61900 bronze and the bottom bar is Type 2 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 21 to 32 | |
| 29 |
| Poisson's Ratio | 0.34 | |
| 0.4 |
| Shear Modulus, GPa | 43 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 650 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 82 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 270 |
| Thermal Conductivity, W/m-K | 79 | |
| 52 |
| Thermal Expansion, µm/m-K | 18 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 8.6 |
| Embodied Water, L/kg | 380 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 430 | |
| 32 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 4.6 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 7.1 |
| Thermal Diffusivity, mm2/s | 22 | |
| 23 |
| Thermal Shock Resistance, points | 20 to 23 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 8.5 to 10 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 83.6 to 88.5 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 3.0 to 4.5 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0 | |
| 99.5 to 100 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.3 |
| Tin (Sn), % | 0 to 0.6 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.8 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.5 | |
| 0 |