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A390.0 Aluminum vs. EN-MC65220 Magnesium

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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