Type 4 Niobium vs. C91300 Bell Metal
Type 4 niobium belongs to the otherwise unclassified metals classification, while C91300 bell metal belongs to the copper alloys. There are 18 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 Type 4 niobium and the bottom bar is C91300 bell metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 23 | |
| 0.5 |
| Poisson's Ratio | 0.4 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 240 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 360 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.6 |
| Embodied Water, L/kg | 160 | |
| 460 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 1.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 210 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 6.6 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.2 | |
| 7.8 |
| Strength to Weight: Bending, points | 9.5 | |
| 10 |
| Thermal Shock Resistance, points | 21 | |
| 9.3 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 79 to 82 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.25 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Niobium (Nb), % | 98.1 to 99.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Tin (Sn), % | 0 | |
| 18 to 20 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.6 |