C66700 Brass vs. C82500 Copper
Both C66700 brass and C82500 copper are copper alloys. They have 70% 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 C66700 brass and the bottom bar is C82500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.0 to 58 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 550 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 310 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 280 |
| Melting Completion (Liquidus), °C | 1090 | |
| 980 |
| Melting Onset (Solidus), °C | 1050 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 97 | |
| 130 |
| Thermal Expansion, µm/m-K | 20 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 10 |
| Embodied Energy, MJ/kg | 45 | |
| 160 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 11 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 400 to 4000 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 18 to 35 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 17 to 27 |
| Thermal Diffusivity, mm2/s | 30 | |
| 38 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 19 to 38 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 1.9 to 2.3 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 | |
| 0.15 to 0.7 |
| Copper (Cu), % | 68.5 to 71.5 | |
| 95.3 to 97.8 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.35 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |