C68800 Brass vs. C61400 Bronze
Both C68800 brass and C61400 bronze are copper alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C68800 brass and the bottom bar is C61400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.0 to 36 | |
| 34 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Shear Strength, MPa | 380 to 510 | |
| 370 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 540 to 570 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 220 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 220 |
| Melting Completion (Liquidus), °C | 960 | |
| 1050 |
| Melting Onset (Solidus), °C | 950 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 420 |
| Thermal Conductivity, W/m-K | 40 | |
| 67 |
| Thermal Expansion, µm/m-K | 19 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 28 |
| Density, g/cm3 | 8.2 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.0 |
| Embodied Energy, MJ/kg | 48 | |
| 48 |
| Embodied Water, L/kg | 350 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 160 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 210 to 310 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 18 to 19 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 19 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 18 to 20 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 6.0 to 8.0 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 86 to 92.5 |
| Iron (Fe), % | 0 to 0.2 | |
| 1.5 to 3.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |