Type 4 Niobium vs. C95400 Bronze
Type 4 niobium belongs to the otherwise unclassified metals classification, while C95400 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is Type 4 niobium and the bottom bar is C95400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 160 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 23 | |
| 8.1 to 16 |
| Poisson's Ratio | 0.4 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 600 to 710 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 240 to 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 440 |
| Thermal Conductivity, W/m-K | 42 | |
| 59 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Water, L/kg | 160 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 48 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 250 to 560 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 7.2 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 9.5 | |
| 19 to 22 |
| Thermal Diffusivity, mm2/s | 18 | |
| 16 |
| Thermal Shock Resistance, points | 21 | |
| 21 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 10 to 11.5 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 83 to 87 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 3.0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 1.5 |
| Niobium (Nb), % | 98.1 to 99.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |