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AM50A Magnesium vs. EN AC-51100 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while EN AC-51100 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AM50A magnesium and the bottom bar is EN AC-51100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
57
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 11
4.5
Fatigue Strength, MPa 70
58
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 210
160
Tensile Strength: Yield (Proof), MPa 120
80

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 65
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
34
Electrical Conductivity: Equal Weight (Specific), % IACS 88
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
8.7
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
6.0
Resilience: Unit (Modulus of Resilience), kJ/m3 150
47
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
51
Strength to Weight: Axial, points 35
17
Strength to Weight: Bending, points 47
25
Thermal Diffusivity, mm2/s 39
53
Thermal Shock Resistance, points 13
7.3

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
94.5 to 97.5
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0040
0 to 0.55
Magnesium (Mg), % 93.7 to 95.3
2.5 to 3.5
Manganese (Mn), % 0.26 to 0.6
0 to 0.45
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 0.55
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.22
0 to 0.1
Residuals, % 0
0 to 0.15