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A390.0 Aluminum vs. EN-MC21110 Magnesium

A390.0 aluminum belongs to the aluminum alloys classification, while EN-MC21110 magnesium belongs to the magnesium 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 A390.0 aluminum and the bottom bar is EN-MC21110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
58 to 63
Elastic (Young's, Tensile) Modulus, GPa 75
46
Elongation at Break, % 0.87 to 0.91
2.8 to 6.7
Fatigue Strength, MPa 70 to 100
75 to 78
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Tensile Strength: Ultimate (UTS), MPa 190 to 290
200 to 270
Tensile Strength: Yield (Proof), MPa 190 to 290
100 to 120

Thermal Properties

Latent Heat of Fusion, J/g 640
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 580
600
Melting Onset (Solidus), °C 480
500
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 130
80
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
12
Electrical Conductivity: Equal Weight (Specific), % IACS 67
61

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 7.3
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 950
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
4.9 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
120 to 150
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
69
Strength to Weight: Axial, points 19 to 30
33 to 44
Strength to Weight: Bending, points 27 to 36
45 to 54
Thermal Diffusivity, mm2/s 56
47
Thermal Shock Resistance, points 9.0 to 14
12 to 16

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
7.0 to 8.7
Copper (Cu), % 4.0 to 5.0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.0050
Magnesium (Mg), % 0.45 to 0.65
89.6 to 92.6
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 16 to 18
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0.35 to 1.0
Residuals, % 0
0 to 0.010

Comparable Variants