C18200 Copper vs. C67400 Bronze
Both C18200 copper and C67400 bronze are copper alloys. They have 59% of their average alloy composition in common.
For each property being compared, the top bar is C18200 copper and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 11 to 40 | |
| 22 to 28 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell B Hardness | 65 to 82 | |
| 78 to 85 |
| Shear Modulus, GPa | 44 | |
| 41 |
| Shear Strength, MPa | 210 to 320 | |
| 310 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 530 | |
| 480 to 610 |
| Tensile Strength: Yield (Proof), MPa | 97 to 450 | |
| 250 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 1080 | |
| 890 |
| Melting Onset (Solidus), °C | 1070 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 320 | |
| 100 |
| Thermal Expansion, µm/m-K | 18 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 41 | |
| 48 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 96 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 40 to 860 | |
| 300 to 660 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 9.6 to 16 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 11 to 16 | |
| 17 to 20 |
| Thermal Diffusivity, mm2/s | 93 | |
| 32 |
| Thermal Shock Resistance, points | 11 to 18 | |
| 16 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.5 to 2.0 |
| Chromium (Cr), % | 0.6 to 1.2 | |
| 0 |
| Copper (Cu), % | 98.6 to 99.4 | |
| 57 to 60 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0 | |
| 2.0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 | |
| 31.1 to 40 |
| Residuals, % | 0 | |
| 0 to 0.5 |