C70260 Copper vs. Zamak 2
C70260 copper belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C70260 copper and the bottom bar is Zamak 2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 87 |
| Elongation at Break, % | 9.5 to 19 | |
| 6.0 |
| Poisson's Ratio | 0.34 | |
| 0.26 |
| Shear Modulus, GPa | 44 | |
| 33 |
| Shear Strength, MPa | 320 to 450 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 760 | |
| 360 |
| Tensile Strength: Yield (Proof), MPa | 410 to 650 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 95 |
| Melting Completion (Liquidus), °C | 1060 | |
| 390 |
| Melting Onset (Solidus), °C | 1040 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 160 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 28 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 50 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 to 51 | |
| 35 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 12 |
| Density, g/cm3 | 8.9 | |
| 6.5 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 43 | |
| 57 |
| Embodied Water, L/kg | 310 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 140 | |
| 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 1810 | |
| 420 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 16 to 24 | |
| 15 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 17 |
| Thermal Diffusivity, mm2/s | 45 | |
| 41 |
| Thermal Shock Resistance, points | 18 to 27 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.5 to 4.3 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Copper (Cu), % | 95.8 to 98.8 | |
| 2.5 to 3.3 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.020 to 0.060 |
| Nickel (Ni), % | 1.0 to 3.0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.7 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 0 | |
| 92.2 to 94 |
| Residuals, % | 0 to 0.5 | |
| 0 |