C99750 Brass vs. C18200 Copper
Both C99750 brass and C18200 copper are copper alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C99750 brass and the bottom bar is C18200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 120 |
| Elongation at Break, % | 20 to 30 | |
| 11 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Rockwell B Hardness | 77 to 82 | |
| 65 to 82 |
| Shear Modulus, GPa | 48 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 310 to 530 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 97 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 200 |
| Melting Completion (Liquidus), °C | 840 | |
| 1080 |
| Melting Onset (Solidus), °C | 820 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 80 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 81 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 31 |
| Density, g/cm3 | 8.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 51 | |
| 41 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 43 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 40 to 860 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 21 | |
| 18 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 9.6 to 16 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 11 to 16 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 11 to 18 |
Alloy Composition
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| Aluminum (Al), % | 0.25 to 3.0 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.6 to 1.2 |
| Copper (Cu), % | 55 to 61 | |
| 98.6 to 99.4 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0.5 to 2.5 | |
| 0 to 0.050 |
| Manganese (Mn), % | 17 to 23 | |
| 0 |
| Nickel (Ni), % | 0 to 5.0 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 17 to 23 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |