50Cr-50Ni-Cb Alloy vs. C71640 Copper-nickel
50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while C71640 copper-nickel belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 140 |
| Poisson's Ratio | 0.26 | |
| 0.33 |
| Shear Modulus, GPa | 84 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 620 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 410 |
| Thermal Expansion, µm/m-K | 15 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 40 |
| Density, g/cm3 | 8.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 9.2 | |
| 5.0 |
| Embodied Energy, MJ/kg | 130 | |
| 73 |
| Embodied Water, L/kg | 350 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 15 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 21 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 20 | |
| 16 to 18 |
| Thermal Shock Resistance, points | 14 | |
| 16 to 21 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.25 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 47 to 52 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 0 to 1.0 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.3 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 43.3 to 51.6 | |
| 29 to 32 |
| Niobium (Nb), % | 1.4 to 1.7 | |
| 0 |
| Nitrogen (N), % | 0 to 0.16 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |