C67000 Bronze vs. Type 2 Niobium
C67000 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 C67000 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, % | 5.6 to 11 | |
| 29 |
| Poisson's Ratio | 0.31 | |
| 0.4 |
| Shear Modulus, GPa | 42 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 880 | |
| 140 |
| Tensile Strength: Yield (Proof), MPa | 350 to 540 | |
| 82 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 270 |
| Thermal Conductivity, W/m-K | 99 | |
| 52 |
| Thermal Expansion, µm/m-K | 20 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 8.6 |
| Embodied Water, L/kg | 350 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 62 | |
| 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1290 | |
| 32 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 4.6 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 7.1 |
| Thermal Diffusivity, mm2/s | 30 | |
| 23 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 63 to 68 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 2.0 to 4.0 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 |
| Manganese (Mn), % | 2.5 to 5.0 | |
| 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 0.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 21.8 to 32.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.020 |
| Residuals, % | 0 to 0.5 | |
| 0 |