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AM50A Magnesium vs. EN AC-45500 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while EN AC-45500 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-45500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
110
Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 11
2.8
Fatigue Strength, MPa 70
80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 210
320
Tensile Strength: Yield (Proof), MPa 120
250

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 65
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
33
Electrical Conductivity: Equal Weight (Specific), % IACS 88
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 23
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 150
430
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 71
53
Strength to Weight: Axial, points 35
34
Strength to Weight: Bending, points 47
40
Thermal Diffusivity, mm2/s 39
65
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
90.6 to 93.1
Copper (Cu), % 0 to 0.010
0.2 to 0.7
Iron (Fe), % 0 to 0.0040
0 to 0.25
Magnesium (Mg), % 93.7 to 95.3
0.2 to 0.45
Manganese (Mn), % 0.26 to 0.6
0 to 0.15
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.22
0 to 0.070
Residuals, % 0
0 to 0.1