6261 Aluminum vs. EN-MC65210 Magnesium
6261 aluminum belongs to the aluminum alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is 6261 aluminum and the bottom bar is EN-MC65210 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 44 |
| Elongation at Break, % | 9.0 to 16 | |
| 2.8 |
| Fatigue Strength, MPa | 60 to 120 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 90 to 180 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 150 to 300 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 100 to 260 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 610 |
| Melting Onset (Solidus), °C | 610 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 970 |
| Thermal Conductivity, W/m-K | 180 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 48 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 | |
| 110 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.7 | |
| 2.0 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 27 |
| Embodied Energy, MJ/kg | 150 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 27 | |
| 6.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 77 to 500 | |
| 450 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 50 | |
| 59 |
| Strength to Weight: Axial, points | 15 to 31 | |
| 38 |
| Strength to Weight: Bending, points | 23 to 37 | |
| 47 |
| Thermal Diffusivity, mm2/s | 75 | |
| 58 |
| Thermal Shock Resistance, points | 6.5 to 13 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 96.6 to 98.6 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.010 |
| Magnesium (Mg), % | 0.7 to 1.0 | |
| 92.6 to 95.6 |
| Manganese (Mn), % | 0.2 to 0.35 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0.4 to 0.7 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 2.0 to 3.0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Unspecified Rare Earths, % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0 | |
| 0.4 to 1.0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |