Commercially Pure Zinc vs. CR021A Copper
Commercially pure zinc belongs to the zinc alloys classification, while CR021A copper belongs to the copper alloys.
For each property being compared, the top bar is commercially pure zinc and the bottom bar is CR021A copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 87 | |
| 120 |
| Elongation at Break, % | 38 | |
| 15 |
| Poisson's Ratio | 0.25 | |
| 0.34 |
| Shear Modulus, GPa | 35 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 97 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 79 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 90 | |
| 200 |
| Melting Completion (Liquidus), °C | 410 | |
| 1090 |
| Melting Onset (Solidus), °C | 400 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 380 |
| Thermal Expansion, µm/m-K | 26 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 98 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 31 |
| Density, g/cm3 | 6.6 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 53 | |
| 41 |
| Embodied Water, L/kg | 340 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 34 | |
| 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 36 | |
| 83 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 23 | |
| 18 |
| Strength to Weight: Axial, points | 4.1 | |
| 7.1 |
| Strength to Weight: Bending, points | 7.1 | |
| 9.3 |
| Thermal Diffusivity, mm2/s | 44 | |
| 110 |
| Thermal Shock Resistance, points | 3.0 | |
| 8.1 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.00050 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Copper (Cu), % | 0 to 0.080 | |
| 99.95 to 99.998 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.0050 |
| Phosphorus (P), % | 0 | |
| 0.0020 to 0.0070 |
| Silver (Ag), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Titanium (Ti), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 99.827 to 100 | |
| 0 |