C72900 Copper-nickel vs. C61000 Bronze
Both C72900 copper-nickel and C61000 bronze are copper alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C61000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 6.0 to 20 | |
| 29 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 42 |
| Shear Strength, MPa | 540 to 630 | |
| 280 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 390 to 460 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 150 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 210 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1040 |
| Melting Onset (Solidus), °C | 950 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 420 |
| Thermal Conductivity, W/m-K | 29 | |
| 69 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 29 |
| Density, g/cm3 | 8.8 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 3.0 |
| Embodied Energy, MJ/kg | 72 | |
| 49 |
| Embodied Water, L/kg | 360 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 110 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 100 to 160 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 19 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 14 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 6.0 to 8.5 |
| Copper (Cu), % | 74.1 to 78 | |
| 90.2 to 94 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |