Type 4 Niobium vs. Nickel 625
Type 4 niobium belongs to the otherwise unclassified metals classification, while nickel 625 belongs to the nickel alloys. 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 Type 4 niobium and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 23 | |
| 33 to 34 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 330 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 440 |
| Thermal Conductivity, W/m-K | 42 | |
| 11 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.6 |
| Embodied Water, L/kg | 160 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 7.2 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 9.5 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 18 | |
| 2.9 |
| Thermal Shock Resistance, points | 21 | |
| 22 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.4 |
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 58 to 68.9 |
| Niobium (Nb), % | 98.1 to 99.2 | |
| 3.2 to 4.2 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.025 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 to 0.4 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |