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1080A Aluminum vs. EN-MC21210 Magnesium

1080A aluminum belongs to the aluminum alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 1080A aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
48
Elastic (Young's, Tensile) Modulus, GPa 68
44
Elongation at Break, % 2.3 to 34
14
Fatigue Strength, MPa 18 to 50
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 49 to 81
110
Tensile Strength: Ultimate (UTS), MPa 74 to 140
190
Tensile Strength: Yield (Proof), MPa 17 to 120
90

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
24
Electrical Conductivity: Equal Weight (Specific), % IACS 200
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.6
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1200
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
22
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
92
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
72
Strength to Weight: Axial, points 7.6 to 15
32
Strength to Weight: Bending, points 14 to 22
44
Thermal Diffusivity, mm2/s 94
76
Thermal Shock Resistance, points 3.3 to 6.4
11

Alloy Composition

Aluminum (Al), % 99.8 to 100
1.6 to 2.6
Copper (Cu), % 0 to 0.030
0 to 0.010
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 0 to 0.020
96.3 to 98.3
Manganese (Mn), % 0 to 0.020
0.1 to 0.7
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
0 to 0.2
Residuals, % 0
0 to 0.010