6151 Aluminum vs. M1A Magnesium
6151 aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 6151 aluminum and the bottom bar is M1A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 45 |
| Elongation at Break, % | 1.1 to 5.7 | |
| 5.5 |
| Fatigue Strength, MPa | 80 to 100 | |
| 88 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 190 to 200 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 340 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 270 to 280 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 95 |
| Melting Completion (Liquidus), °C | 650 | |
| 610 |
| Melting Onset (Solidus), °C | 590 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 990 |
| Thermal Conductivity, W/m-K | 170 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 45 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 150 | |
| 190 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 970 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.5 to 18 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 to 580 | |
| 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 71 |
| Strength to Weight: Axial, points | 34 | |
| 38 |
| Strength to Weight: Bending, points | 39 | |
| 49 |
| Thermal Diffusivity, mm2/s | 70 | |
| 88 |
| Thermal Shock Resistance, points | 15 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 95.6 to 98.8 | |
| 0 |
| Calcium (Ca), % | 0 | |
| 0 to 0.3 |
| Chromium (Cr), % | 0.15 to 0.35 | |
| 0 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 |
| Magnesium (Mg), % | 0.45 to 0.8 | |
| 97.2 to 98.8 |
| Manganese (Mn), % | 0 to 0.2 | |
| 1.2 to 2.0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.6 to 1.2 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |