C68000 Brass vs. C19020 Copper
Both C68000 brass and C19020 copper are copper alloys. They have 59% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C68000 brass and the bottom bar is C19020 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 27 | |
| 2.3 to 5.7 |
| Poisson's Ratio | 0.3 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 440 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 880 | |
| 1090 |
| Melting Onset (Solidus), °C | 870 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 96 | |
| 190 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 31 |
| Density, g/cm3 | 8.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 48 | |
| 44 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 14 | |
| 14 to 18 |
| Strength to Weight: Bending, points | 15 | |
| 14 to 18 |
| Thermal Diffusivity, mm2/s | 31 | |
| 55 |
| Thermal Shock Resistance, points | 13 | |
| 16 to 21 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 56 to 60 | |
| 95.7 to 99.19 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0.5 to 3.0 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.2 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0.3 to 0.9 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |