C22000 Bronze vs. Type 4 Niobium
C22000 bronze belongs to the copper alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 20 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 C22000 bronze and the bottom bar is Type 4 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 1.9 to 45 | |
| 23 |
| Poisson's Ratio | 0.33 | |
| 0.4 |
| Shear Modulus, GPa | 42 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 520 | |
| 220 |
| Tensile Strength: Yield (Proof), MPa | 69 to 500 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 270 |
| Thermal Conductivity, W/m-K | 190 | |
| 42 |
| Thermal Expansion, µm/m-K | 18 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 8.6 |
| Embodied Water, L/kg | 310 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.7 to 230 | |
| 44 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 1110 | |
| 93 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.1 to 17 | |
| 7.2 |
| Strength to Weight: Bending, points | 10 to 17 | |
| 9.5 |
| Thermal Diffusivity, mm2/s | 56 | |
| 18 |
| Thermal Shock Resistance, points | 8.8 to 18 | |
| 21 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 89 to 91 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0 | |
| 98.1 to 99.2 |
| 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 0.5 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 8.7 to 11 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.8 to 1.2 |
| Residuals, % | 0 to 0.2 | |
| 0 |