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EN-MC65120 Magnesium vs. 355.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 355.0 aluminum belongs to the aluminum alloys. There are 31 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 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
72 to 83
Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
1.5 to 2.6
Fatigue Strength, MPa 80
55 to 70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 92
150 to 240
Tensile Strength: Ultimate (UTS), MPa 160
200 to 260
Tensile Strength: Yield (Proof), MPa 110
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 970
890
Thermal Conductivity, W/m-K 100
150 to 170
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120 to 140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
8.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 23
20 to 27
Strength to Weight: Bending, points 34
28 to 33
Thermal Diffusivity, mm2/s 56
60 to 69
Thermal Shock Resistance, points 9.8
9.1 to 12

Alloy Composition

Aluminum (Al), % 0
90.3 to 94.1
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
1.0 to 1.5
Iron (Fe), % 0 to 0.010
0 to 0.6
Magnesium (Mg), % 91.8 to 95.1
0.4 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
4.5 to 5.5
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.35
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15