C46500 Brass vs. C40500 Penny Bronze
Both C46500 brass and C40500 penny bronze are copper alloys. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is C46500 brass and the bottom bar is C40500 penny bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 18 to 50 | |
| 3.0 to 49 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell B Hardness | 55 to 95 | |
| 46 to 82 |
| Rockwell Superficial 30T Hardness | 55 to 68 | |
| 10 to 72 |
| Shear Modulus, GPa | 40 | |
| 43 |
| Shear Strength, MPa | 280 to 380 | |
| 210 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 610 | |
| 270 to 540 |
| Tensile Strength: Yield (Proof), MPa | 190 to 490 | |
| 79 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 190 |
| Melting Completion (Liquidus), °C | 900 | |
| 1060 |
| Melting Onset (Solidus), °C | 890 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 160 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 42 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 30 |
| Density, g/cm3 | 8.0 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 47 | |
| 43 |
| Embodied Water, L/kg | 330 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 to 160 | |
| 16 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 1170 | |
| 28 to 1200 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 21 | |
| 8.5 to 17 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 10 to 17 |
| Thermal Diffusivity, mm2/s | 38 | |
| 48 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 9.5 to 19 |
Alloy Composition
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| Arsenic (As), % | 0.020 to 0.060 | |
| 0 |
| Copper (Cu), % | 59 to 62 | |
| 94 to 96 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.050 |
| Tin (Sn), % | 0.5 to 1.0 | |
| 0.7 to 1.3 |
| Zinc (Zn), % | 36.2 to 40.5 | |
| 2.1 to 5.3 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |