C14700 Copper vs. C32000 Brass
Both C14700 copper and C32000 brass are copper alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is C14700 copper and the bottom bar is C32000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 9.1 to 35 | |
| 6.8 to 29 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 160 to 190 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 320 | |
| 270 to 470 |
| Tensile Strength: Yield (Proof), MPa | 85 to 250 | |
| 78 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 170 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1020 |
| Melting Onset (Solidus), °C | 1070 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 370 | |
| 160 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 95 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 96 | |
| 37 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 28 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 41 | |
| 42 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 65 | |
| 30 to 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 31 to 280 | |
| 28 to 680 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.3 to 10 | |
| 8.8 to 15 |
| Strength to Weight: Bending, points | 9.5 to 12 | |
| 11 to 16 |
| Thermal Diffusivity, mm2/s | 110 | |
| 47 |
| Thermal Shock Resistance, points | 8.4 to 12 | |
| 9.5 to 16 |
Alloy Composition
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| Copper (Cu), % | 99.395 to 99.798 | |
| 83.5 to 86.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.2 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0.0020 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0.2 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 10.6 to 15 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.4 |