C23400 Brass vs. C87700 Bronze
Both C23400 brass and C87700 bronze are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 22 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 C23400 brass and the bottom bar is C87700 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 640 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 970 | |
| 980 |
| Melting Onset (Solidus), °C | 930 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 29 |
| Density, g/cm3 | 8.5 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 43 | |
| 45 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 12 to 21 | |
| 9.8 |
| Strength to Weight: Bending, points | 13 to 19 | |
| 12 |
| Thermal Diffusivity, mm2/s | 36 | |
| 34 |
| Thermal Shock Resistance, points | 12 to 22 | |
| 11 |
Alloy Composition
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| Antimony (Sb), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 81 to 84 | |
| 87.5 to 90.5 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 | |
| 0 to 0.8 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 | |
| 2.5 to 3.5 |
| Tin (Sn), % | 0 | |
| 0 to 2.0 |
| Zinc (Zn), % | 15.7 to 19 | |
| 7.0 to 9.0 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.8 |