C82800 Copper vs. C85400 Brass
Both C82800 copper and C85400 brass are copper alloys. They have 68% of their average alloy composition in common. There are 27 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 C82800 copper and the bottom bar is C85400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 1.0 to 20 | |
| 23 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1140 | |
| 220 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1000 | |
| 85 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 130 |
| Melting Completion (Liquidus), °C | 930 | |
| 940 |
| Melting Onset (Solidus), °C | 890 | |
| 940 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 89 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 12 | |
| 2.8 |
| Embodied Energy, MJ/kg | 190 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 110 | |
| 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 590 to 4080 | |
| 35 |
| Stiffness to Weight: Axial, points | 7.8 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 36 | |
| 7.5 |
| Strength to Weight: Bending, points | 20 to 28 | |
| 9.9 |
| Thermal Diffusivity, mm2/s | 36 | |
| 28 |
| Thermal Shock Resistance, points | 23 to 39 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.15 | |
| 0 to 0.35 |
| Beryllium (Be), % | 2.5 to 2.9 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Cobalt (Co), % | 0.15 to 0.7 | |
| 0 |
| Copper (Cu), % | 94.6 to 97.2 | |
| 65 to 70 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 to 0.020 | |
| 1.5 to 3.8 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 1.0 |
| Silicon (Si), % | 0.2 to 0.35 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 to 0.1 | |
| 0.5 to 1.5 |
| Titanium (Ti), % | 0 to 0.12 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 24 to 32 |
| Residuals, % | 0 to 0.5 | |
| 0 to 1.1 |