C68300 Brass vs. C54400 Bronze
Both C68300 brass and C54400 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C68300 brass and the bottom bar is C54400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell B Hardness | 60 | |
| 67 to 93 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 330 to 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 900 | |
| 1000 |
| Melting Onset (Solidus), °C | 890 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 370 |
| Thermal Conductivity, W/m-K | 120 | |
| 86 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 31 |
| Density, g/cm3 | 8.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.9 |
| Embodied Energy, MJ/kg | 46 | |
| 48 |
| Embodied Water, L/kg | 340 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 15 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 16 | |
| 12 to 20 |
| Thermal Diffusivity, mm2/s | 38 | |
| 26 |
| Thermal Shock Resistance, points | 14 | |
| 12 to 26 |
Alloy Composition
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| Antimony (Sb), % | 0.3 to 1.0 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 59 to 63 | |
| 85.4 to 91.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.090 | |
| 3.5 to 4.5 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.5 |
| Silicon (Si), % | 0.3 to 1.0 | |
| 0 |
| Tin (Sn), % | 0.050 to 0.2 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 34.2 to 40.4 | |
| 1.5 to 4.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |