Type 4 Niobium vs. C72800 Copper-nickel
Type 4 niobium belongs to the otherwise unclassified metals classification, while C72800 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is Type 4 niobium and the bottom bar is C72800 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 23 | |
| 3.9 to 23 |
| Poisson's Ratio | 0.4 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 520 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 250 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 380 |
| Thermal Conductivity, W/m-K | 42 | |
| 55 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.8 |
| Embodied Water, L/kg | 160 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 37 to 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 260 to 5650 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 7.2 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 9.5 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 18 | |
| 17 |
| Thermal Shock Resistance, points | 21 | |
| 19 to 45 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Antimony (Sb), % | 0 | |
| 0 to 0.020 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.0010 |
| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 78.3 to 82.8 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.0050 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 9.5 to 10.5 |
| Niobium (Nb), % | 98.1 to 99.2 | |
| 0.1 to 0.3 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 | |
| 0 to 0.0025 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Tin (Sn), % | 0 | |
| 7.5 to 8.5 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.3 |