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ISO-WD21150 Magnesium vs. 511.0 Aluminum

ISO-WD21150 magnesium belongs to the magnesium alloys classification, while 511.0 aluminum belongs to the aluminum alloys. There are 29 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 ISO-WD21150 magnesium and the bottom bar is 511.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 5.7 to 11
3.0
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 150 to 170
120
Tensile Strength: Ultimate (UTS), MPa 240 to 290
150
Tensile Strength: Yield (Proof), MPa 120 to 200
83

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 990
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
36
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
8.8
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 24
3.7
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 460
51
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 70
51
Strength to Weight: Axial, points 40 to 48
15
Strength to Weight: Bending, points 52 to 58
23
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 15 to 17
6.5

Alloy Composition

Aluminum (Al), % 2.4 to 3.6
93.3 to 96.2
Copper (Cu), % 0 to 0.050
0 to 0.15
Iron (Fe), % 0 to 0.0050
0 to 0.5
Magnesium (Mg), % 94 to 97
3.5 to 4.5
Manganese (Mn), % 0.15 to 0.4
0 to 0.35
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0.3 to 0.7
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.5 to 1.5
0 to 0.15
Residuals, % 0
0 to 0.15