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EQ21A Magnesium vs. 1200 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 1200 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 1200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
23 to 48
Elastic (Young's, Tensile) Modulus, GPa 44
69
Elongation at Break, % 2.4
1.1 to 28
Fatigue Strength, MPa 110
25 to 69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
54 to 100
Tensile Strength: Ultimate (UTS), MPa 250
85 to 180
Tensile Strength: Yield (Proof), MPa 190
28 to 160

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 560
650
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
58
Electrical Conductivity: Equal Weight (Specific), % IACS 120
190

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.0
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
8.2
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 410
5.7 to 180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 37
8.7 to 19
Strength to Weight: Bending, points 47
16 to 26
Thermal Diffusivity, mm2/s 62
92
Thermal Shock Resistance, points 15
3.8 to 8.1

Alloy Composition

Aluminum (Al), % 0
99 to 100
Copper (Cu), % 0.050 to 0.1
0 to 0.050
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 93.9 to 96.8
0
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.050
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15