AM100A Magnesium vs. 771.0 Aluminum
AM100A magnesium belongs to the magnesium alloys classification, while 771.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AM100A magnesium and the bottom bar is 771.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 46 | |
70 |
Elongation at Break, % | 1.0 to 6.8 | |
1.7 to 6.5 |
Fatigue Strength, MPa | 48 to 70 | |
92 to 180 |
Poisson's Ratio | 0.29 | |
0.32 |
Shear Modulus, GPa | 18 | |
26 |
Tensile Strength: Ultimate (UTS), MPa | 160 to 270 | |
250 to 370 |
Tensile Strength: Yield (Proof), MPa | 78 to 140 | |
210 to 350 |
Thermal Properties
Latent Heat of Fusion, J/g | 350 | |
380 |
Maximum Temperature: Mechanical, °C | 140 | |
180 |
Melting Completion (Liquidus), °C | 590 | |
630 |
Melting Onset (Solidus), °C | 460 | |
620 |
Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
1.6 |
Specific Heat Capacity, J/kg-K | 990 | |
870 |
Thermal Conductivity, W/m-K | 73 | |
140 to 150 |
Thermal Expansion, µm/m-K | 25 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 11 | |
27 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 59 | |
82 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 12 | |
9.5 |
Density, g/cm3 | 1.7 | |
3.0 |
Embodied Carbon, kg CO2/kg material | 22 | |
8.0 |
Embodied Energy, MJ/kg | 160 | |
150 |
Embodied Water, L/kg | 1000 | |
1130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.3 to 15 | |
4.4 to 20 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 66 to 210 | |
310 to 900 |
Stiffness to Weight: Axial, points | 15 | |
13 |
Stiffness to Weight: Bending, points | 70 | |
46 |
Strength to Weight: Axial, points | 25 to 44 | |
23 to 35 |
Strength to Weight: Bending, points | 38 to 54 | |
29 to 39 |
Thermal Diffusivity, mm2/s | 43 | |
54 to 58 |
Thermal Shock Resistance, points | 9.7 to 17 | |
11 to 16 |
Alloy Composition
Aluminum (Al), % | 9.3 to 10.7 | |
90.5 to 92.5 |
Chromium (Cr), % | 0 | |
0.060 to 0.2 |
Copper (Cu), % | 0 to 0.1 | |
0 to 0.1 |
Iron (Fe), % | 0 | |
0 to 0.15 |
Magnesium (Mg), % | 87.9 to 90.6 | |
0.8 to 1.0 |
Manganese (Mn), % | 0.1 to 0.35 | |
0 to 0.1 |
Nickel (Ni), % | 0 to 0.010 | |
0 |
Silicon (Si), % | 0 to 0.3 | |
0 to 0.15 |
Titanium (Ti), % | 0 | |
0.1 to 0.2 |
Zinc (Zn), % | 0 to 0.3 | |
6.5 to 7.5 |
Residuals, % | 0 | |
0 to 0.15 |