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AZ80A Magnesium vs. EN AC-42200 Aluminum

AZ80A magnesium belongs to the magnesium alloys classification, while EN AC-42200 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 AZ80A magnesium and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
70
Elongation at Break, % 3.9 to 8.5
3.0 to 6.7
Fatigue Strength, MPa 140 to 170
86 to 90
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 320 to 340
320
Tensile Strength: Yield (Proof), MPa 210 to 230
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 350
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 600
610
Melting Onset (Solidus), °C 490
600
Specific Heat Capacity, J/kg-K 990
910
Thermal Conductivity, W/m-K 77
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40
Electrical Conductivity: Equal Weight (Specific), % IACS 59
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 23
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 24
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 600
410 to 490
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 69
53
Strength to Weight: Axial, points 51 to 55
34 to 35
Strength to Weight: Bending, points 60 to 63
40 to 41
Thermal Diffusivity, mm2/s 45
66
Thermal Shock Resistance, points 19 to 20
15

Alloy Composition

Aluminum (Al), % 7.8 to 9.2
91 to 93.1
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 0 to 0.0050
0 to 0.19
Magnesium (Mg), % 89 to 91.9
0.45 to 0.7
Manganese (Mn), % 0.12 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.2 to 0.8
0 to 0.070
Residuals, % 0
0 to 0.1

Comparable Variants