C68400 Brass vs. C67000 Bronze
Both C68400 brass and C67000 bronze are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C68400 brass and the bottom bar is C67000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 18 | |
| 5.6 to 11 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Shear Strength, MPa | 330 | |
| 390 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 660 to 880 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 350 to 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 160 |
| Melting Completion (Liquidus), °C | 840 | |
| 900 |
| Melting Onset (Solidus), °C | 820 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 410 |
| Thermal Conductivity, W/m-K | 66 | |
| 99 |
| Thermal Expansion, µm/m-K | 20 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.9 |
| Embodied Energy, MJ/kg | 47 | |
| 49 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 43 to 62 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 560 to 1290 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 23 to 31 |
| Strength to Weight: Bending, points | 19 | |
| 21 to 26 |
| Thermal Diffusivity, mm2/s | 21 | |
| 30 |
| Thermal Shock Resistance, points | 18 | |
| 21 to 29 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 3.0 to 6.0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Copper (Cu), % | 59 to 64 | |
| 63 to 68 |
| Iron (Fe), % | 0 to 1.0 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 2.5 to 5.0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 to 0.5 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 21.8 to 32.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |