C68400 Brass vs. C19700 Copper
Both C68400 brass and C19700 copper are copper alloys. They have 63% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C68400 brass and the bottom bar is C19700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 18 | |
| 2.4 to 13 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Shear Strength, MPa | 330 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 400 to 530 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 330 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 200 |
| Melting Completion (Liquidus), °C | 840 | |
| 1090 |
| Melting Onset (Solidus), °C | 820 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 66 | |
| 250 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 87 | |
| 86 to 88 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 87 to 89 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 30 |
| Density, g/cm3 | 7.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 47 | |
| 41 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 12 to 49 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 460 to 1160 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 19 | |
| 12 to 16 |
| Strength to Weight: Bending, points | 19 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 21 | |
| 73 |
| Thermal Shock Resistance, points | 18 | |
| 14 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 59 to 64 | |
| 97.4 to 99.59 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.3 to 1.2 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0 | |
| 0.010 to 0.2 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0.1 to 0.4 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |