C63020 Bronze vs. C68700 Brass
Both C63020 bronze and C68700 brass are copper alloys. They have 80% 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 C63020 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 | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 1020 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 740 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 230 | |
| 160 |
| Melting Completion (Liquidus), °C | 1070 | |
| 970 |
| Melting Onset (Solidus), °C | 1020 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 400 |
| Thermal Conductivity, W/m-K | 40 | |
| 100 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 26 |
| Density, g/cm3 | 8.2 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 58 | |
| 46 |
| Embodied Water, L/kg | 390 | |
| 340 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2320 | |
| 90 |
| Stiffness to Weight: Axial, points | 8.0 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 34 | |
| 13 |
| Strength to Weight: Bending, points | 27 | |
| 14 |
| Thermal Diffusivity, mm2/s | 11 | |
| 30 |
| Thermal Shock Resistance, points | 35 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 10 to 11 | |
| 1.8 to 2.5 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.1 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0 |
| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 74.7 to 81.8 | |
| 76 to 79 |
| Iron (Fe), % | 4.0 to 5.5 | |
| 0 to 0.060 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.070 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 4.2 to 6.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 17.8 to 22.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |