C61800 Bronze vs. C62500 Bronze
Both C61800 bronze and C62500 bronze are copper alloys. They have a moderately high 92% of their average alloy composition in common.
For each property being compared, the top bar is C61800 bronze and the bottom bar is C62500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 26 | |
| 1.0 |
| Fatigue Strength, MPa | 190 | |
| 460 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 89 | |
| 29 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Shear Strength, MPa | 310 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 690 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 230 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1050 |
| Melting Onset (Solidus), °C | 1040 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 460 |
| Thermal Conductivity, W/m-K | 64 | |
| 47 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 26 |
| Density, g/cm3 | 8.3 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.3 |
| Embodied Energy, MJ/kg | 52 | |
| 55 |
| Embodied Water, L/kg | 390 | |
| 410 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 | |
| 6.0 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 | |
| 750 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 25 | |
| 24 |
| Strength to Weight: Bending, points | 22 | |
| 22 |
| Thermal Diffusivity, mm2/s | 18 | |
| 13 |
| Thermal Shock Resistance, points | 26 | |
| 24 |
Alloy Composition
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| Aluminum (Al), % | 8.5 to 11 | |
| 12.5 to 13.5 |
| Copper (Cu), % | 86.9 to 91 | |
| 78.5 to 84 |
| Iron (Fe), % | 0.5 to 1.5 | |
| 3.5 to 5.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.020 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |