C66100 Bronze vs. C68800 Brass
Both C66100 bronze and C68800 brass are copper alloys. They have 74% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C66100 bronze and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 8.0 to 40 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 280 to 460 | |
| 380 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 790 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 120 to 430 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1050 | |
| 960 |
| Melting Onset (Solidus), °C | 1000 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Conductivity, W/m-K | 34 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 26 |
| Density, g/cm3 | 8.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 48 |
| Embodied Water, L/kg | 300 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 53 to 120 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 60 to 790 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 to 25 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 14 to 22 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 12 |
| Thermal Shock Resistance, points | 15 to 29 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 3.8 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 92 to 97 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Lead (Pb), % | 0.2 to 0.8 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Silicon (Si), % | 2.8 to 3.5 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 21.3 to 24.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |