C64800 Bronze vs. C67600 Bronze
Both C64800 bronze and C67600 bronze are copper alloys. They have 60% of their average alloy composition in common.
For each property being compared, the top bar is C64800 bronze and the bottom bar is C67600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 8.0 | |
| 13 to 33 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 44 | |
| 40 |
| Shear Strength, MPa | 380 | |
| 270 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 430 to 570 |
| Tensile Strength: Yield (Proof), MPa | 630 | |
| 170 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 1090 | |
| 890 |
| Melting Onset (Solidus), °C | 1030 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 260 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 65 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 66 | |
| 27 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 43 | |
| 47 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 51 | |
| 63 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1680 | |
| 140 to 680 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 20 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 19 | |
| 16 to 19 |
| Thermal Diffusivity, mm2/s | 75 | |
| 35 |
| Thermal Shock Resistance, points | 23 | |
| 14 to 19 |
Alloy Composition
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| Chromium (Cr), % | 0 to 0.090 | |
| 0 |
| Cobalt (Co), % | 1.0 to 3.0 | |
| 0 |
| Copper (Cu), % | 92.4 to 98.8 | |
| 57 to 60 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.4 to 1.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0.5 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.5 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.5 | |
| 0 |
| Silicon (Si), % | 0.2 to 1.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0.5 to 1.5 |
| Zinc (Zn), % | 0 to 0.5 | |
| 35.2 to 41.6 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |