C81400 Copper vs. C66200 Brass
Both C81400 copper and C66200 brass are copper alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C81400 copper and the bottom bar is C66200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 11 | |
| 8.0 to 15 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 450 to 520 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 410 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1070 |
| Melting Onset (Solidus), °C | 1070 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 260 | |
| 150 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 60 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 36 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 | |
| 40 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 | |
| 760 to 1030 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 11 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 13 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 75 | |
| 45 |
| Thermal Shock Resistance, points | 13 | |
| 16 to 18 |
Alloy Composition
| Beryllium (Be), % | 0.020 to 0.1 | |
| 0 |
| Chromium (Cr), % | 0.6 to 1.0 | |
| 0 |
| Copper (Cu), % | 98.4 to 99.38 | |
| 86.6 to 91 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 0.3 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0.050 to 0.2 |
| Tin (Sn), % | 0 | |
| 0.2 to 0.7 |
| Zinc (Zn), % | 0 | |
| 6.5 to 12.9 |
| Residuals, % | 0 | |
| 0 to 0.5 |