O82 C19400 Copper vs. O82 C66300 Brass
Both O82 C19400 copper and O82 C66300 brass are copper alloys. Both are furnished in the O82 (annealed to half-hard) temper. They have 88% of their average alloy composition in common. There are 26 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 O82 C19400 copper and the bottom bar is O82 C66300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 400 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1050 |
| Melting Onset (Solidus), °C | 1080 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 260 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 65 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 66 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 40 | |
| 46 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 220 | |
| 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 41 to 1140 | |
| 710 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 15 |
| Strength to Weight: Bending, points | 14 | |
| 15 |
| Thermal Diffusivity, mm2/s | 75 | |
| 32 |
| Thermal Shock Resistance, points | 14 | |
| 16 |
Alloy Composition
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 96.8 to 97.8 | |
| 84.5 to 87.5 |
| Iron (Fe), % | 2.1 to 2.6 | |
| 1.4 to 2.4 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0.015 to 0.15 | |
| 0 to 0.35 |
| Tin (Sn), % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0.050 to 0.2 | |
| 6.0 to 12.8 |
| Residuals, % | 0 | |
| 0 to 0.5 |