C72700 Copper-nickel vs. Grade 7 Babbitt Metal
C72700 copper-nickel belongs to the copper alloys classification, while grade 7 Babbitt Metal belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is grade 7 Babbitt Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 26 |
| Poisson's Ratio | 0.34 | |
| 0.4 |
| Shear Modulus, GPa | 44 | |
| 9.1 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 25 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 48 |
| Melting Completion (Liquidus), °C | 1100 | |
| 270 |
| Melting Onset (Solidus), °C | 930 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 150 |
| Thermal Expansion, µm/m-K | 17 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 23 |
| Density, g/cm3 | 8.8 | |
| 10 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 4.4 |
| Embodied Energy, MJ/kg | 62 | |
| 62 |
| Embodied Water, L/kg | 350 | |
| 880 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 12 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 1.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 9.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 14 to 16 |
| Arsenic (As), % | 0 | |
| 0.3 to 0.6 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 82.1 to 86 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.020 | |
| 71.9 to 76.4 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 9.3 to 10.7 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.3 | |
| 0 |