C99400 Brass vs. C82500 Copper
Both C99400 brass and C82500 copper 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 C99400 brass and the bottom bar is C82500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 550 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 230 to 370 | |
| 310 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 280 |
| Melting Completion (Liquidus), °C | 1070 | |
| 980 |
| Melting Onset (Solidus), °C | 1020 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 10 |
| Embodied Energy, MJ/kg | 45 | |
| 160 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 590 | |
| 400 to 4000 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 18 to 35 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 17 to 27 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 19 to 38 |
Alloy Composition
| Aluminum (Al), % | 0.5 to 2.0 | |
| 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), % | 83.5 to 96.5 | |
| 95.3 to 97.8 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 0 to 0.2 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0.2 to 0.35 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |