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851.0 Aluminum vs. EN-MC65210 Magnesium

851.0 aluminum belongs to the aluminum alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is 851.0 aluminum and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 3.9 to 9.1
2.8
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 130 to 140
270

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 360
540
Specific Heat Capacity, J/kg-K 850
970
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Density, g/cm3 3.1
2.0
Embodied Carbon, kg CO2/kg material 8.4
27
Embodied Energy, MJ/kg 160
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 45
59
Strength to Weight: Axial, points 12 to 13
38
Strength to Weight: Bending, points 19 to 20
47
Thermal Diffusivity, mm2/s 69
58
Thermal Shock Resistance, points 6.1 to 6.3
17

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
0
Copper (Cu), % 0.7 to 1.3
0 to 0.030
Iron (Fe), % 0 to 0.7
0 to 0.010
Magnesium (Mg), % 0 to 0.1
92.6 to 95.6
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0.3 to 0.7
0 to 0.0050
Silicon (Si), % 2.0 to 3.0
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010