C27200 Brass vs. C18900 Copper
Both C27200 brass and C18900 copper are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C27200 brass and the bottom bar is C18900 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 10 to 50 | |
| 14 to 48 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 43 |
| Shear Strength, MPa | 230 to 320 | |
| 190 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 590 | |
| 260 to 500 |
| Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
| 67 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 200 |
| Melting Completion (Liquidus), °C | 920 | |
| 1080 |
| Melting Onset (Solidus), °C | 870 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 130 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 31 |
| Density, g/cm3 | 8.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 42 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 270 | |
| 65 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 810 | |
| 20 to 660 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 13 to 20 | |
| 8.2 to 16 |
| Strength to Weight: Bending, points | 14 to 19 | |
| 10 to 16 |
| Thermal Diffusivity, mm2/s | 37 | |
| 38 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 9.3 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 62 to 65 | |
| 97.7 to 99.15 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Tin (Sn), % | 0 | |
| 0.6 to 0.9 |
| Zinc (Zn), % | 34.6 to 38 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |