C14700 Copper vs. C66700 Brass
Both C14700 copper and C66700 brass are copper alloys. They have 70% of their average alloy composition in common. There are 29 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 C14700 copper and the bottom bar is C66700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 9.1 to 35 | |
| 2.0 to 58 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 160 to 190 | |
| 250 to 530 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 320 | |
| 340 to 690 |
| Tensile Strength: Yield (Proof), MPa | 85 to 250 | |
| 100 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 140 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1090 |
| Melting Onset (Solidus), °C | 1070 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 370 | |
| 97 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 95 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 96 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 25 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 65 | |
| 13 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 31 to 280 | |
| 49 to 1900 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 7.3 to 10 | |
| 11 to 23 |
| Strength to Weight: Bending, points | 9.5 to 12 | |
| 13 to 21 |
| Thermal Diffusivity, mm2/s | 110 | |
| 30 |
| Thermal Shock Resistance, points | 8.4 to 12 | |
| 11 to 23 |
Alloy Composition
| Copper (Cu), % | 99.395 to 99.798 | |
| 68.5 to 71.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.070 |
| Manganese (Mn), % | 0 | |
| 0.8 to 1.5 |
| Phosphorus (P), % | 0.0020 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0.2 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 26.3 to 30.7 |
| Residuals, % | 0 | |
| 0 to 0.5 |