C19020 Copper vs. Type 3 Niobium
C19020 copper belongs to the copper alloys classification, while Type 3 niobium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C19020 copper and the bottom bar is Type 3 niobium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 2.3 to 5.7 | |
| 23 |
| Poisson's Ratio | 0.34 | |
| 0.4 |
| Shear Modulus, GPa | 44 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 440 to 590 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 270 |
| Thermal Conductivity, W/m-K | 190 | |
| 42 |
| Thermal Expansion, µm/m-K | 17 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 8.6 |
| Embodied Water, L/kg | 310 | |
| 160 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 14 to 18 | |
| 7.2 |
| Strength to Weight: Bending, points | 14 to 18 | |
| 9.5 |
| Thermal Diffusivity, mm2/s | 55 | |
| 18 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 21 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 95.7 to 99.19 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 0.020 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 | |
| 0 to 0.0050 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0.5 to 3.0 | |
| 0 to 0.0050 |
| Niobium (Nb), % | 0 | |
| 98.6 to 99.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.015 |
| Phosphorus (P), % | 0.010 to 0.2 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0.3 to 0.9 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Tungsten (W), % | 0 | |
| 0 to 0.030 |
| Zirconium (Zr), % | 0 | |
| 0.8 to 1.2 |
| Residuals, % | 0 to 0.2 | |
| 0 |