Type 1 Niobium vs. C26800 Brass
Type 1 niobium belongs to the otherwise unclassified metals classification, while C26800 brass belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is Type 1 niobium and the bottom bar is C26800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.4 | |
| 0.31 |
| Shear Modulus, GPa | 38 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 140 | |
| 310 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 390 |
| Thermal Conductivity, W/m-K | 52 | |
| 120 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.1 |
| Embodied Water, L/kg | 160 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 4.6 | |
| 11 to 22 |
| Strength to Weight: Bending, points | 7.1 | |
| 13 to 21 |
| Thermal Diffusivity, mm2/s | 23 | |
| 37 |
| Thermal Shock Resistance, points | 13 | |
| 10 to 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 64 to 68.5 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 to 0.010 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Niobium (Nb), % | 99.7 to 100 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 31 to 36 |
| Zirconium (Zr), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.3 |