C18600 Copper vs. C61900 Bronze
Both C18600 copper and C61900 bronze are copper alloys. They have 87% of their average alloy composition in common.
For each property being compared, the top bar is C18600 copper and the bottom bar is C61900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 8.0 to 11 | |
| 21 to 32 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Shear Strength, MPa | 310 to 340 | |
| 370 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 580 | |
| 570 to 650 |
| Tensile Strength: Yield (Proof), MPa | 500 to 520 | |
| 230 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 220 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1050 |
| Melting Onset (Solidus), °C | 1070 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 440 |
| Thermal Conductivity, W/m-K | 280 | |
| 79 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 70 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 71 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 28 |
| Density, g/cm3 | 8.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.1 |
| Embodied Energy, MJ/kg | 46 | |
| 51 |
| Embodied Water, L/kg | 310 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 58 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1060 to 1180 | |
| 230 to 430 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 16 to 18 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 81 | |
| 22 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 20 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.5 to 10 |
| Chromium (Cr), % | 0.1 to 1.0 | |
| 0 |
| Cobalt (Co), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 96.5 to 99.55 | |
| 83.6 to 88.5 |
| Iron (Fe), % | 0.25 to 0.8 | |
| 3.0 to 4.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0.050 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.8 |
| Zirconium (Zr), % | 0.050 to 0.4 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |