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AM50A Magnesium vs. 1100 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while 1100 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 AM50A magnesium and the bottom bar is 1100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 11
1.1 to 32
Fatigue Strength, MPa 70
32 to 71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
54 to 95
Tensile Strength: Ultimate (UTS), MPa 210
86 to 170
Tensile Strength: Yield (Proof), MPa 120
28 to 150

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 620
660
Melting Onset (Solidus), °C 570
640
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 65
220
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
59
Electrical Conductivity: Equal Weight (Specific), % IACS 88
190

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
0.76 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 150
5.7 to 170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
50
Strength to Weight: Axial, points 35
8.7 to 17
Strength to Weight: Bending, points 47
16 to 25
Thermal Diffusivity, mm2/s 39
90
Thermal Shock Resistance, points 13
3.7 to 7.4

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
99 to 99.95
Copper (Cu), % 0 to 0.010
0.050 to 0.2
Iron (Fe), % 0 to 0.0040
0 to 1.0
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 0.050
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Zinc (Zn), % 0 to 0.22
0 to 0.1
Residuals, % 0
0 to 0.15