C67000 Bronze vs. C72800 Copper-nickel
Both C67000 bronze and C72800 copper-nickel are copper alloys. They have 67% 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 C67000 bronze and the bottom bar is C72800 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 5.6 to 11 | |
| 3.9 to 23 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 390 to 510 | |
| 330 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 880 | |
| 520 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 350 to 540 | |
| 250 to 1210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 200 |
| Melting Completion (Liquidus), °C | 900 | |
| 1080 |
| Melting Onset (Solidus), °C | 850 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 380 |
| Thermal Conductivity, W/m-K | 99 | |
| 55 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 25 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 38 |
| Density, g/cm3 | 7.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 4.4 |
| Embodied Energy, MJ/kg | 49 | |
| 68 |
| Embodied Water, L/kg | 350 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 62 | |
| 37 to 99 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1290 | |
| 260 to 5650 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 30 | |
| 17 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 19 to 45 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 6.0 | |
| 0 to 0.1 |
| Antimony (Sb), % | 0 | |
| 0 to 0.020 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.0010 |
| Boron (B), % | 0 | |
| 0 to 0.0010 |
| Copper (Cu), % | 63 to 68 | |
| 78.3 to 82.8 |
| Iron (Fe), % | 2.0 to 4.0 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.0050 to 0.15 |
| Manganese (Mn), % | 2.5 to 5.0 | |
| 0.050 to 0.3 |
| Nickel (Ni), % | 0 | |
| 9.5 to 10.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 | |
| 0 to 0.0025 |
| Tin (Sn), % | 0 to 0.5 | |
| 7.5 to 8.5 |
| Titanium (Ti), % | 0 | |
| 0 to 0.010 |
| Zinc (Zn), % | 21.8 to 32.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |