K1A Magnesium vs. 515.0 Aluminum
K1A magnesium belongs to the magnesium alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is K1A magnesium and the bottom bar is 515.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 43 | |
| 70 |
| Elongation at Break, % | 13 | |
| 10 |
| Fatigue Strength, MPa | 39 | |
| 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 55 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 650 | |
| 620 |
| Melting Onset (Solidus), °C | 650 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 900 |
| Thermal Expansion, µm/m-K | 27 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 9.5 |
| Density, g/cm3 | 1.6 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.4 |
| Embodied Energy, MJ/kg | 170 | |
| 150 |
| Embodied Water, L/kg | 970 | |
| 1120 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 73 | |
| 52 |
| Strength to Weight: Axial, points | 31 | |
| 30 |
| Strength to Weight: Bending, points | 43 | |
| 36 |
| Thermal Shock Resistance, points | 11 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 93.6 to 96.6 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 98.7 to 99.6 | |
| 2.5 to 4.0 |
| Manganese (Mn), % | 0 | |
| 0.4 to 0.6 |
| Silicon (Si), % | 0 | |
| 0.5 to 10 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |