AM60B Magnesium vs. 7049 Aluminum
AM60B magnesium belongs to the magnesium alloys classification, while 7049 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AM60B magnesium and the bottom bar is 7049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 62 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 11 | |
| 6.2 to 7.0 |
| Fatigue Strength, MPa | 96 | |
| 160 to 170 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 27 |
| Shear Strength, MPa | 140 | |
| 300 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 510 to 530 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 420 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 540 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 860 |
| Thermal Conductivity, W/m-K | 61 | |
| 130 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 72 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 1.7 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.1 |
| Embodied Energy, MJ/kg | 160 | |
| 140 |
| Embodied Water, L/kg | 990 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
| 31 to 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
| 1270 to 1440 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 71 | |
| 45 |
| Strength to Weight: Axial, points | 38 | |
| 46 to 47 |
| Strength to Weight: Bending, points | 50 | |
| 46 to 47 |
| Thermal Diffusivity, mm2/s | 37 | |
| 51 |
| Thermal Shock Resistance, points | 14 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 85.7 to 89.5 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.22 |
| Copper (Cu), % | 0 to 0.010 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 92.6 to 94.3 | |
| 2.0 to 2.9 |
| Manganese (Mn), % | 0.24 to 0.6 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.22 | |
| 7.2 to 8.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |