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AZ61A Magnesium vs. 224.0 Aluminum

AZ61A magnesium belongs to the magnesium alloys classification, while 224.0 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 AZ61A magnesium and the bottom bar is 224.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 11
4.0 to 10
Fatigue Strength, MPa 130
86 to 120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 280
380 to 420
Tensile Strength: Yield (Proof), MPa 170
280 to 330

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 530
550
Specific Heat Capacity, J/kg-K 990
870
Thermal Conductivity, W/m-K 79
120
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
32
Electrical Conductivity: Equal Weight (Specific), % IACS 62
95

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
3.0
Embodied Carbon, kg CO2/kg material 23
8.3
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 980
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
16 to 35
Resilience: Unit (Modulus of Resilience), kJ/m3 310
540 to 770
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
45
Strength to Weight: Axial, points 46
35 to 38
Strength to Weight: Bending, points 56
38 to 41
Thermal Diffusivity, mm2/s 47
47
Thermal Shock Resistance, points 17
17 to 18

Alloy Composition

Aluminum (Al), % 5.5 to 7.2
93 to 95.2
Copper (Cu), % 0 to 0.050
4.5 to 5.5
Iron (Fe), % 0 to 0.0050
0 to 0.1
Magnesium (Mg), % 90.3 to 93.9
0
Manganese (Mn), % 0.15 to 0.5
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.060
Titanium (Ti), % 0
0 to 0.35
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0.4 to 1.5
0
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.1