C40500 Penny Bronze vs. C19700 Copper
Both C40500 penny bronze and C19700 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 C40500 penny bronze and the bottom bar is C19700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 3.0 to 49 | |
| 2.4 to 13 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 46 to 82 | |
| 67 to 75 |
| Rockwell Superficial 30T Hardness | 10 to 72 | |
| 65 to 72 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Shear Strength, MPa | 210 to 310 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 540 | |
| 400 to 530 |
| Tensile Strength: Yield (Proof), MPa | 79 to 520 | |
| 330 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 200 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1090 |
| Melting Onset (Solidus), °C | 1020 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 160 | |
| 250 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 86 to 88 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 42 | |
| 87 to 89 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 8.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 43 | |
| 41 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 110 | |
| 12 to 49 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 28 to 1200 | |
| 460 to 1160 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 8.5 to 17 | |
| 12 to 16 |
| Strength to Weight: Bending, points | 10 to 17 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 48 | |
| 73 |
| Thermal Shock Resistance, points | 9.5 to 19 | |
| 14 to 19 |
Alloy Composition
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| Cobalt (Co), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 94 to 96 | |
| 97.4 to 99.59 |
| Iron (Fe), % | 0 to 0.050 | |
| 0.3 to 1.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 | |
| 0.010 to 0.2 |
| Manganese (Mn), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0.1 to 0.4 |
| Tin (Sn), % | 0.7 to 1.3 | |
| 0 to 0.2 |
| Zinc (Zn), % | 2.1 to 5.3 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |