C55181 Copper vs. C85400 Brass
Both C55181 copper and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C55181 copper and the bottom bar is C85400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 790 | |
| 940 |
| Melting Onset (Solidus), °C | 710 | |
| 940 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 380 |
| Thermal Expansion, µm/m-K | 16 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 25 |
| Density, g/cm3 | 8.5 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 38 | |
| 46 |
| Embodied Water, L/kg | 290 | |
| 330 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 6.5 | |
| 7.5 |
| Strength to Weight: Bending, points | 8.9 | |
| 9.9 |
| Thermal Shock Resistance, points | 8.2 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.35 |
| Copper (Cu), % | 92.4 to 93 | |
| 65 to 70 |
| Iron (Fe), % | 0 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 | |
| 1.5 to 3.8 |
| Nickel (Ni), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 7.0 to 7.5 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 | |
| 0.5 to 1.5 |
| Zinc (Zn), % | 0 | |
| 24 to 32 |
| Residuals, % | 0 to 0.15 | |
| 0 to 1.1 |