C72800 Copper-nickel vs. C61900 Bronze
Both C72800 copper-nickel and C61900 bronze are copper alloys. They have 82% 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 C72800 copper-nickel and the bottom bar is C61900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 3.9 to 23 | |
| 21 to 32 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Shear Strength, MPa | 330 to 740 | |
| 370 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 1270 | |
| 570 to 650 |
| Tensile Strength: Yield (Proof), MPa | 250 to 1210 | |
| 230 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 220 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1050 |
| Melting Onset (Solidus), °C | 920 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 440 |
| Thermal Conductivity, W/m-K | 55 | |
| 79 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 28 |
| Density, g/cm3 | 8.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 3.1 |
| Embodied Energy, MJ/kg | 68 | |
| 51 |
| Embodied Water, L/kg | 360 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 99 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 5650 | |
| 230 to 430 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 17 | |
| 22 |
| Thermal Shock Resistance, points | 19 to 45 | |
| 20 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 8.5 to 10 |
| Antimony (Sb), % | 0 to 0.020 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0010 | |
| 0 |
| Boron (B), % | 0 to 0.0010 | |
| 0 |
| Copper (Cu), % | 78.3 to 82.8 | |
| 83.6 to 88.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 3.0 to 4.5 |
| Lead (Pb), % | 0 to 0.0050 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0.0050 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 |
| Sulfur (S), % | 0 to 0.0025 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.8 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |