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EN-MC65210 Magnesium vs. 5056 Aluminum

EN-MC65210 magnesium belongs to the magnesium alloys classification, while 5056 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN-MC65210 magnesium and the bottom bar is 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
67
Elongation at Break, % 2.8
4.9 to 31
Fatigue Strength, MPa 110
140 to 200
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 150
170 to 240
Tensile Strength: Ultimate (UTS), MPa 270
290 to 460
Tensile Strength: Yield (Proof), MPa 200
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 970
910
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Density, g/cm3 2.0
2.7
Embodied Carbon, kg CO2/kg material 27
9.0
Embodied Energy, MJ/kg 220
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
12 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 450
170 to 1220
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
51
Strength to Weight: Axial, points 38
30 to 48
Strength to Weight: Bending, points 47
36 to 50
Thermal Diffusivity, mm2/s 58
53
Thermal Shock Resistance, points 17
13 to 20

Alloy Composition


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Aluminum (Al), % 0
93 to 95.4
Chromium (Cr), % 0
0.050 to 0.2
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.4
Magnesium (Mg), % 92.6 to 95.6
4.5 to 5.6
Manganese (Mn), % 0 to 0.15
0.050 to 0.2
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.3
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15