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EQ21A Magnesium vs. 6005 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6005 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
90 to 95
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
9.5 to 17
Fatigue Strength, MPa 110
55 to 95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
120 to 210
Tensile Strength: Ultimate (UTS), MPa 250
190 to 310
Tensile Strength: Yield (Proof), MPa 190
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 340
410
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
180 to 200
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
54
Electrical Conductivity: Equal Weight (Specific), % IACS 120
180

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
8.3
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 410
77 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
51
Strength to Weight: Axial, points 37
20 to 32
Strength to Weight: Bending, points 47
28 to 38
Thermal Diffusivity, mm2/s 62
74 to 83
Thermal Shock Resistance, points 15
8.6 to 14

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.1
0 to 0.1
Iron (Fe), % 0
0 to 0.35
Magnesium (Mg), % 93.9 to 96.8
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.6 to 0.9
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.1
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