C63600 Bronze vs. C18400 Copper
Both C63600 bronze and C18400 copper are copper alloys. They have a very high 95% of their average alloy composition in common.
For each property being compared, the top bar is C63600 bronze and the bottom bar is C18400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 30 to 66 | |
| 13 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 71 to 84 | |
| 16 to 84 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 320 to 360 | |
| 190 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 540 | |
| 270 to 490 |
| Tensile Strength: Yield (Proof), MPa | 150 to 260 | |
| 110 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 200 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1080 |
| Melting Onset (Solidus), °C | 980 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 57 | |
| 320 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 31 |
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 41 |
| Embodied Water, L/kg | 340 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 290 | |
| 63 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 300 | |
| 54 to 980 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 18 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 16 | |
| 94 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 9.6 to 17 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Arsenic (As), % | 0 to 0.15 | |
| 0 to 0.0050 |
| Calcium (Ca), % | 0 | |
| 0 to 0.0050 |
| Chromium (Cr), % | 0 | |
| 0.4 to 1.2 |
| Copper (Cu), % | 93 to 96.3 | |
| 97.2 to 99.6 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Lithium (Li), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.15 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0.7 to 1.3 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.7 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |