C18900 Copper vs. CC764S Brass
Both C18900 copper and CC764S brass are copper alloys. They have 59% of their average alloy composition in common. There are 28 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 C18900 copper and the bottom bar is CC764S brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 14 to 48 | |
| 15 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 500 | |
| 680 |
| Tensile Strength: Yield (Proof), MPa | 67 to 390 | |
| 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 1080 | |
| 850 |
| Melting Onset (Solidus), °C | 1020 | |
| 810 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Conductivity, W/m-K | 130 | |
| 94 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 36 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.9 |
| Embodied Energy, MJ/kg | 42 | |
| 49 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 to 95 | |
| 80 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 20 to 660 | |
| 390 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 8.2 to 16 | |
| 24 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 22 |
| Thermal Diffusivity, mm2/s | 38 | |
| 30 |
| Thermal Shock Resistance, points | 9.3 to 18 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 1.0 to 3.0 |
| Antimony (Sb), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 97.7 to 99.15 | |
| 52 to 66 |
| Iron (Fe), % | 0 | |
| 0.5 to 2.5 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.1 to 0.3 | |
| 0.3 to 4.0 |
| Nickel (Ni), % | 0 | |
| 0 to 3.0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.15 to 0.4 | |
| 0 to 0.1 |
| Tin (Sn), % | 0.6 to 0.9 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 to 0.1 | |
| 20.7 to 50.2 |
| Residuals, % | 0 to 0.5 | |
| 0 |