C66100 Bronze vs. C68700 Brass
Both C66100 bronze and C68700 brass are copper alloys. They have 79% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C66100 bronze and the bottom bar is C68700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 790 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 120 to 430 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1050 | |
| 970 |
| Melting Onset (Solidus), °C | 1000 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Conductivity, W/m-K | 34 | |
| 100 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 26 |
| Density, g/cm3 | 8.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 46 |
| Embodied Water, L/kg | 300 | |
| 340 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 60 to 790 | |
| 90 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 to 25 | |
| 13 |
| Strength to Weight: Bending, points | 14 to 22 | |
| 14 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 30 |
| Thermal Shock Resistance, points | 15 to 29 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.8 to 2.5 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.1 |
| Copper (Cu), % | 92 to 97 | |
| 76 to 79 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.060 |
| Lead (Pb), % | 0.2 to 0.8 | |
| 0 to 0.070 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Silicon (Si), % | 2.8 to 3.5 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 17.8 to 22.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |