C66700 Brass vs. C82200 Copper
Both C66700 brass and C82200 copper are copper alloys. They have 70% of their average alloy composition in common. There are 29 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 C66700 brass and the bottom bar is C82200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.0 to 58 | |
| 8.0 to 20 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell B Hardness | 57 to 93 | |
| 60 to 96 |
| Shear Modulus, GPa | 41 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 390 to 660 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 210 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 230 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1080 |
| Melting Onset (Solidus), °C | 1050 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 97 | |
| 180 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 46 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 55 |
| Density, g/cm3 | 8.2 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 4.8 |
| Embodied Energy, MJ/kg | 45 | |
| 74 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 49 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 180 to 1130 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 12 to 20 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 30 | |
| 53 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 14 to 23 |
Alloy Composition
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| Beryllium (Be), % | 0 | |
| 0.35 to 0.8 |
| Cobalt (Co), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 68.5 to 71.5 | |
| 97.4 to 98.7 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 1.0 to 2.0 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |