C38500 Bronze vs. C23400 Brass
Both C38500 bronze and C23400 brass are copper alloys. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C38500 bronze and the bottom bar is C23400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 37 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 370 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 160 |
| Melting Completion (Liquidus), °C | 890 | |
| 970 |
| Melting Onset (Solidus), °C | 880 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 21 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 27 |
| Density, g/cm3 | 8.1 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 43 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 14 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 40 | |
| 36 |
| Thermal Shock Resistance, points | 12 | |
| 12 to 22 |
Alloy Composition
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| Copper (Cu), % | 55 to 59 | |
| 81 to 84 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.050 |
| Lead (Pb), % | 2.5 to 3.5 | |
| 0 to 0.050 |
| Zinc (Zn), % | 36.7 to 42.5 | |
| 15.7 to 19 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |