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EQ21A Magnesium vs. 6262 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6262 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 6262 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
4.6 to 10
Fatigue Strength, MPa 110
90 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
170 to 240
Tensile Strength: Ultimate (UTS), MPa 250
290 to 390
Tensile Strength: Yield (Proof), MPa 190
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
650
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
44
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 80
10
Density, g/cm3 1.9
2.8
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
17 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 410
530 to 940
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
48
Strength to Weight: Axial, points 37
29 to 39
Strength to Weight: Bending, points 47
35 to 42
Thermal Diffusivity, mm2/s 62
69
Thermal Shock Resistance, points 15
13 to 18

Alloy Composition

Aluminum (Al), % 0
94.7 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
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
Lead (Pb), % 0
0.4 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
Titanium (Ti), % 0
0 to 0.15
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