Type 4 Niobium vs. C32000 Brass
Type 4 niobium belongs to the otherwise unclassified metals classification, while C32000 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is Type 4 niobium and the bottom bar is C32000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 23 | |
| 6.8 to 29 |
| Poisson's Ratio | 0.4 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 220 | |
| 270 to 470 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 78 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 190 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 380 |
| Thermal Conductivity, W/m-K | 42 | |
| 160 |
| Thermal Expansion, µm/m-K | 7.3 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 8.7 |
| Embodied Water, L/kg | 160 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 | |
| 30 to 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 93 | |
| 28 to 680 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.2 | |
| 8.8 to 15 |
| Strength to Weight: Bending, points | 9.5 | |
| 11 to 16 |
| Thermal Diffusivity, mm2/s | 18 | |
| 47 |
| Thermal Shock Resistance, points | 21 | |
| 9.5 to 16 |
Alloy Composition
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| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 | |
| 83.5 to 86.5 |
| Hafnium (Hf), % | 0 to 0.020 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.2 |
| Molybdenum (Mo), % | 0 to 0.050 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 to 0.25 |
| 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 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Tungsten (W), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 10.6 to 15 |
| Zirconium (Zr), % | 0.8 to 1.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |