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EN-MC95310 Magnesium vs. 5042 Aluminum

EN-MC95310 magnesium belongs to the magnesium alloys classification, while 5042 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-MC95310 magnesium and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 2.2
1.1 to 3.4
Fatigue Strength, MPa 110
97 to 120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 160
200
Tensile Strength: Ultimate (UTS), MPa 280
340 to 360
Tensile Strength: Yield (Proof), MPa 190
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 25
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
33
Electrical Conductivity: Equal Weight (Specific), % IACS 50
110

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 29
8.8
Embodied Energy, MJ/kg 260
150
Embodied Water, L/kg 900
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 420
550 to 720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
50
Strength to Weight: Axial, points 40
35 to 37
Strength to Weight: Bending, points 49
40 to 42
Thermal Diffusivity, mm2/s 28
53
Thermal Shock Resistance, points 18
15 to 16

Alloy Composition


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Aluminum (Al), % 0
94.2 to 96.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
0 to 0.15
Iron (Fe), % 0 to 0.010
0 to 0.35
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
3.0 to 4.0
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15