C65400 Bronze vs. C40500 Penny Bronze
Both C65400 bronze and C40500 penny bronze are copper alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is C65400 bronze and the bottom bar is C40500 penny bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.6 to 47 | |
| 3.0 to 49 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 82 to 120 | |
| 46 to 82 |
| Rockwell Superficial 30T Hardness | 71 to 92 | |
| 10 to 72 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Shear Strength, MPa | 350 to 530 | |
| 210 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 1060 | |
| 270 to 540 |
| Tensile Strength: Yield (Proof), MPa | 170 to 910 | |
| 79 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 1020 | |
| 1060 |
| Melting Onset (Solidus), °C | 960 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Conductivity, W/m-K | 36 | |
| 160 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 42 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 30 |
| Density, g/cm3 | 8.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 480 | |
| 16 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 3640 | |
| 28 to 1200 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 16 to 34 | |
| 8.5 to 17 |
| Strength to Weight: Bending, points | 16 to 27 | |
| 10 to 17 |
| Thermal Diffusivity, mm2/s | 10 | |
| 48 |
| Thermal Shock Resistance, points | 18 to 39 | |
| 9.5 to 19 |
Alloy Composition
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| Chromium (Cr), % | 0.010 to 0.12 | |
| 0 |
| Copper (Cu), % | 93.8 to 96.1 | |
| 94 to 96 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Silicon (Si), % | 2.7 to 3.4 | |
| 0 |
| Tin (Sn), % | 1.2 to 1.9 | |
| 0.7 to 1.3 |
| Zinc (Zn), % | 0 to 0.5 | |
| 2.1 to 5.3 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |