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EQ21A Magnesium vs. 6262A Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6262A aluminum belongs to the aluminum alloys. There are 29 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 6262A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
4.5 to 11
Fatigue Strength, MPa 110
94 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
190 to 240
Tensile Strength: Ultimate (UTS), MPa 250
310 to 410
Tensile Strength: Yield (Proof), MPa 190
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 980
890
Thermal Conductivity, W/m-K 110
170
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 27
8.4
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 410
540 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
49
Strength to Weight: Axial, points 37
31 to 41
Strength to Weight: Bending, points 47
36 to 44
Thermal Diffusivity, mm2/s 62
67
Thermal Shock Resistance, points 15
14 to 18

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.8
Bismuth (Bi), % 0
0.4 to 0.9
Chromium (Cr), % 0
0.040 to 0.14
Copper (Cu), % 0.050 to 0.1
0.15 to 0.4
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 93.9 to 96.8
0.8 to 1.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.4 to 0.8
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15