C19025 Copper vs. Z21721 Zinc
C19025 copper belongs to the copper alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C19025 copper and the bottom bar is Z21721 zinc.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 87 |
| Elongation at Break, % | 8.0 to 17 | |
| 40 |
| Poisson's Ratio | 0.34 | |
| 0.25 |
| Shear Modulus, GPa | 43 | |
| 35 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 620 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 90 |
| Melting Completion (Liquidus), °C | 1080 | |
| 410 |
| Melting Onset (Solidus), °C | 1020 | |
| 390 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 160 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 37 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 11 |
| Density, g/cm3 | 8.9 | |
| 6.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 44 | |
| 53 |
| Embodied Water, L/kg | 320 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 22 |
| Strength to Weight: Axial, points | 15 to 19 | |
| 6.4 |
| Strength to Weight: Bending, points | 15 to 18 | |
| 9.6 |
| Thermal Diffusivity, mm2/s | 47 | |
| 44 |
| Thermal Shock Resistance, points | 17 to 22 | |
| 4.8 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0020 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.070 |
| Copper (Cu), % | 97.1 to 98.5 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0.8 to 1.2 | |
| 0 |
| Phosphorus (P), % | 0.030 to 0.070 | |
| 0 |
| Tin (Sn), % | 0.7 to 1.1 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 to 0.2 | |
| 98.9 to 100 |
| Residuals, % | 0 to 0.3 | |
| 0 |