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EN-MC32110 Magnesium vs. 238.0 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 238.0 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-MC32110 magnesium and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
76
Elongation at Break, % 2.2
1.5
Fatigue Strength, MPa 80
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
28
Tensile Strength: Ultimate (UTS), MPa 220
210
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 330
430
Maximum Temperature: Mechanical, °C 99
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 500
510
Specific Heat Capacity, J/kg-K 950
840
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
67

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 2.1
3.4
Embodied Carbon, kg CO2/kg material 22
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 920
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 58
42
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 58
37
Thermal Shock Resistance, points 12
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.2
81.9 to 84.9
Copper (Cu), % 2.4 to 3.0
9.5 to 10.5
Iron (Fe), % 0 to 0.050
1.0 to 1.5
Magnesium (Mg), % 89.3 to 91.9
0 to 0.25
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
3.6 to 4.4
Zinc (Zn), % 5.5 to 6.5
1.0 to 1.5
Residuals, % 0 to 0.010
0