C67000 Bronze vs. C68700 Brass
Both C67000 bronze and C68700 brass are copper alloys. They have 88% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C67000 bronze and the bottom bar is C68700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 42 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 880 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 350 to 540 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 160 |
| Melting Completion (Liquidus), °C | 900 | |
| 970 |
| Melting Onset (Solidus), °C | 850 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 400 |
| Thermal Conductivity, W/m-K | 99 | |
| 100 |
| Thermal Expansion, µm/m-K | 20 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 25 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 26 |
| Density, g/cm3 | 7.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.8 |
| Embodied Energy, MJ/kg | 49 | |
| 46 |
| Embodied Water, L/kg | 350 | |
| 340 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 1290 | |
| 90 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 13 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 14 |
| Thermal Diffusivity, mm2/s | 30 | |
| 30 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 6.0 | |
| 1.8 to 2.5 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.1 |
| Copper (Cu), % | 63 to 68 | |
| 76 to 79 |
| Iron (Fe), % | 2.0 to 4.0 | |
| 0 to 0.060 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.070 |
| Manganese (Mn), % | 2.5 to 5.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 21.8 to 32.5 | |
| 17.8 to 22.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |