5042 Aluminum vs. ISO-WD32260 Magnesium
5042 aluminum belongs to the aluminum alloys classification, while ISO-WD32260 magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 5042 aluminum and the bottom bar is ISO-WD32260 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 68 | |
46 |
Elongation at Break, % | 1.1 to 3.4 | |
4.5 to 6.0 |
Fatigue Strength, MPa | 97 to 120 | |
150 to 190 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 26 | |
18 |
Shear Strength, MPa | 200 | |
190 to 200 |
Tensile Strength: Ultimate (UTS), MPa | 340 to 360 | |
330 to 340 |
Tensile Strength: Yield (Proof), MPa | 270 to 310 | |
230 to 250 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
330 |
Maximum Temperature: Mechanical, °C | 180 | |
120 |
Melting Completion (Liquidus), °C | 640 | |
600 |
Melting Onset (Solidus), °C | 570 | |
520 |
Specific Heat Capacity, J/kg-K | 900 | |
970 |
Thermal Conductivity, W/m-K | 130 | |
110 |
Thermal Expansion, µm/m-K | 24 | |
27 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 33 | |
28 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
140 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
13 |
Density, g/cm3 | 2.7 | |
1.9 |
Embodied Carbon, kg CO2/kg material | 8.8 | |
23 |
Embodied Energy, MJ/kg | 150 | |
160 |
Embodied Water, L/kg | 1180 | |
940 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.6 to 12 | |
14 to 19 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 550 to 720 | |
560 to 700 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 50 | |
63 |
Strength to Weight: Axial, points | 35 to 37 | |
48 to 51 |
Strength to Weight: Bending, points | 40 to 42 | |
56 to 58 |
Thermal Diffusivity, mm2/s | 53 | |
63 |
Thermal Shock Resistance, points | 15 to 16 | |
19 to 20 |
Alloy Composition
Aluminum (Al), % | 94.2 to 96.8 | |
0 |
Chromium (Cr), % | 0 to 0.1 | |
0 |
Copper (Cu), % | 0 to 0.15 | |
0 |
Iron (Fe), % | 0 to 0.35 | |
0 |
Magnesium (Mg), % | 3.0 to 4.0 | |
92.7 to 94.8 |
Manganese (Mn), % | 0.2 to 0.5 | |
0 |
Silicon (Si), % | 0 to 0.2 | |
0 |
Titanium (Ti), % | 0 to 0.1 | |
0 |
Zinc (Zn), % | 0 to 0.25 | |
4.8 to 6.2 |
Zirconium (Zr), % | 0 | |
0.45 to 0.8 |
Residuals, % | 0 | |
0 to 0.3 |