Type 4 Niobium vs. Type 2 Pewter
Both Type 4 niobium and Type 2 pewter are otherwise unclassified metals. There are 15 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 Type 2 pewter.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 13 to 23 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 52 |
| Poisson's Ratio | 0.4 | |
| 0.35 |
| Shear Modulus, GPa | 38 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 52 to 68 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 69 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 220 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 7.3 |
| Embodied Water, L/kg | 160 | |
| 1220 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 3.9 |
| Stiffness to Weight: Bending, points | 18 | |
| 17 |
| Strength to Weight: Axial, points | 7.2 | |
| 2.0 to 2.6 |
| Strength to Weight: Bending, points | 9.5 | |
| 4.3 to 5.1 |
| Thermal Shock Resistance, points | 21 | |
| 3.4 to 4.4 |
Alloy Composition
| Antimony (Sb), % | 0 | |
| 5.0 to 7.5 |
| Arsenic (As), % | 0 | |
| 0 to 0.050 |
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 1.5 to 3.0 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.015 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| 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 |
| Tin (Sn), % | 0 | |
| 90 to 93 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0050 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |