C55180 Copper vs. C68800 Brass
Both C55180 copper and C68800 brass are copper alloys. They have 73% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C55180 copper and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 20 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 100 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 920 | |
| 960 |
| Melting Onset (Solidus), °C | 710 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Conductivity, W/m-K | 200 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 26 |
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 39 | |
| 48 |
| Embodied Water, L/kg | 290 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 34 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 48 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 6.4 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 8.8 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 56 | |
| 12 |
| Thermal Shock Resistance, points | 7.9 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 3.8 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 94.7 to 95.2 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 4.8 to 5.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.3 to 24.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |