C82500 Copper vs. C99400 Brass
Both C82500 copper and C99400 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C82500 copper and the bottom bar is C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 45 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 1100 | |
| 460 to 550 |
| Tensile Strength: Yield (Proof), MPa | 310 to 980 | |
| 230 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 280 | |
| 200 |
| Melting Completion (Liquidus), °C | 980 | |
| 1070 |
| Melting Onset (Solidus), °C | 860 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 21 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 2.8 |
| Embodied Energy, MJ/kg | 160 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 4000 | |
| 230 to 590 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 18 to 35 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 17 to 27 | |
| 15 to 17 |
| Thermal Shock Resistance, points | 19 to 38 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.15 | |
| 0.5 to 2.0 |
| Beryllium (Be), % | 1.9 to 2.3 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Cobalt (Co), % | 0.15 to 0.7 | |
| 0 |
| Copper (Cu), % | 95.3 to 97.8 | |
| 83.5 to 96.5 |
| Iron (Fe), % | 0 to 0.25 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.2 | |
| 1.0 to 3.5 |
| Silicon (Si), % | 0.2 to 0.35 | |
| 0.5 to 2.0 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.12 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0.5 to 5.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |