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EN-MC65220 Magnesium vs. A390.0 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while A390.0 aluminum belongs to the aluminum alloys. There are 29 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 EN-MC65220 magnesium and the bottom bar is A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 44
75
Elongation at Break, % 2.2
0.87 to 0.91
Fatigue Strength, MPa 110
70 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Tensile Strength: Ultimate (UTS), MPa 270
190 to 290
Tensile Strength: Yield (Proof), MPa 200
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 340
640
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 610
580
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 980
880
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
67

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
7.3
Embodied Energy, MJ/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 450
240 to 580
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 40
19 to 30
Strength to Weight: Bending, points 49
27 to 36
Thermal Diffusivity, mm2/s 61
56
Thermal Shock Resistance, points 17
9.0 to 14

Alloy Composition


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Aluminum (Al), % 0
75.3 to 79.6
Copper (Cu), % 0.050 to 0.1
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 93.8 to 96.8
0.45 to 0.65
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
16 to 18
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.2