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1080A Aluminum vs. M1A Magnesium

1080A aluminum belongs to the aluminum alloys classification, while M1A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 1080A aluminum and the bottom bar is M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 2.3 to 34
5.5
Fatigue Strength, MPa 18 to 50
88
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 49 to 81
120
Tensile Strength: Ultimate (UTS), MPa 74 to 140
230
Tensile Strength: Yield (Proof), MPa 17 to 120
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
95
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 640
580
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
35
Electrical Conductivity: Equal Weight (Specific), % IACS 200
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1200
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
11
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 7.6 to 15
38
Strength to Weight: Bending, points 14 to 22
49
Thermal Diffusivity, mm2/s 94
88
Thermal Shock Resistance, points 3.3 to 6.4
13

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.050
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.020
97.2 to 98.8
Manganese (Mn), % 0 to 0.020
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.3