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EN-MC65120 Magnesium vs. 358.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 358.0 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 EN-MC65120 magnesium and the bottom bar is 358.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
3.5 to 6.0
Fatigue Strength, MPa 80
100 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 92
300 to 320
Tensile Strength: Ultimate (UTS), MPa 160
350 to 370
Tensile Strength: Yield (Proof), MPa 110
290 to 320

Thermal Properties

Latent Heat of Fusion, J/g 330
520
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
36
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
8.7
Embodied Energy, MJ/kg 190
160
Embodied Water, L/kg 930
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
12 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 140
590 to 710
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
53
Strength to Weight: Axial, points 23
37 to 39
Strength to Weight: Bending, points 34
42 to 44
Thermal Diffusivity, mm2/s 56
63
Thermal Shock Resistance, points 9.8
16 to 17

Alloy Composition

Aluminum (Al), % 0
89.1 to 91.8
Beryllium (Be), % 0
0.1 to 0.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 0.3
Magnesium (Mg), % 91.8 to 95.1
0.4 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.2
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
7.6 to 8.6
Titanium (Ti), % 0
0.1 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15