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ISO-WD21150 Magnesium vs. 711.0 Aluminum

ISO-WD21150 magnesium belongs to the magnesium alloys classification, while 711.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ISO-WD21150 magnesium and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 5.7 to 11
7.8
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 240 to 290
220
Tensile Strength: Yield (Proof), MPa 120 to 200
140

Thermal Properties

Latent Heat of Fusion, J/g 350
380
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 550
610
Specific Heat Capacity, J/kg-K 990
860
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
3.0
Embodied Carbon, kg CO2/kg material 23
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 24
15
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 460
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 70
45
Strength to Weight: Axial, points 40 to 48
20
Strength to Weight: Bending, points 52 to 58
26
Thermal Diffusivity, mm2/s 60
61
Thermal Shock Resistance, points 15 to 17
9.3

Alloy Composition

Aluminum (Al), % 2.4 to 3.6
89.8 to 92.7
Copper (Cu), % 0 to 0.050
0.35 to 0.65
Iron (Fe), % 0 to 0.0050
0.7 to 1.4
Magnesium (Mg), % 94 to 97
0.25 to 0.45
Manganese (Mn), % 0.15 to 0.4
0 to 0.050
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.5 to 1.5
6.0 to 7.0
Residuals, % 0
0 to 0.15