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771.0 Aluminum vs. EN-MC21110 Magnesium

771.0 aluminum belongs to the aluminum alloys classification, while EN-MC21110 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 771.0 aluminum and the bottom bar is EN-MC21110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 120
58 to 63
Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 1.7 to 6.5
2.8 to 6.7
Fatigue Strength, MPa 92 to 180
75 to 78
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 250 to 370
200 to 270
Tensile Strength: Yield (Proof), MPa 210 to 350
100 to 120

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 620
500
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 140 to 150
80
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 82
61

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.0
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
4.9 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
120 to 150
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
69
Strength to Weight: Axial, points 23 to 35
33 to 44
Strength to Weight: Bending, points 29 to 39
45 to 54
Thermal Diffusivity, mm2/s 54 to 58
47
Thermal Shock Resistance, points 11 to 16
12 to 16

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
7.0 to 8.7
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 0.8 to 1.0
89.6 to 92.6
Manganese (Mn), % 0 to 0.1
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.15
0 to 0.2
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
0.35 to 1.0
Residuals, % 0
0 to 0.010

Comparable Variants