Zamak 7 vs. 5254 Aluminum
Zamak 7 belongs to the zinc alloys classification, while 5254 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is Zamak 7 and the bottom bar is 5254 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 86 | |
| 68 |
| Elongation at Break, % | 13 | |
| 3.4 to 22 |
| Fatigue Strength, MPa | 47 | |
| 110 to 160 |
| Poisson's Ratio | 0.25 | |
| 0.33 |
| Shear Modulus, GPa | 33 | |
| 26 |
| Shear Strength, MPa | 210 | |
| 150 to 200 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 240 to 350 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 100 to 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 190 |
| Melting Completion (Liquidus), °C | 390 | |
| 640 |
| Melting Onset (Solidus), °C | 380 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 900 |
| Thermal Conductivity, W/m-K | 110 | |
| 130 |
| Thermal Expansion, µm/m-K | 27 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 38 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 6.4 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 8.8 |
| Embodied Energy, MJ/kg | 57 | |
| 150 |
| Embodied Water, L/kg | 380 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 | |
| 11 to 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 73 to 550 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 51 |
| Strength to Weight: Axial, points | 12 | |
| 25 to 37 |
| Strength to Weight: Bending, points | 15 | |
| 32 to 41 |
| Thermal Diffusivity, mm2/s | 43 | |
| 52 |
| Thermal Shock Resistance, points | 8.6 | |
| 10 to 16 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.3 | |
| 94.4 to 96.8 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.15 to 0.35 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.45 |
| Lead (Pb), % | 0 to 0.0030 | |
| 0 |
| Magnesium (Mg), % | 0.0050 to 0.020 | |
| 3.1 to 3.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0.0050 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.45 |
| Tin (Sn), % | 0 to 0.0010 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 95.3 to 96.5 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |