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6262 Aluminum vs. EQ21A Magnesium

6262 aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium 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 6262 aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 580
560
Specific Heat Capacity, J/kg-K 890
980
Thermal Conductivity, W/m-K 170
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
80
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.3
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
410
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
63
Strength to Weight: Axial, points 29 to 39
37
Strength to Weight: Bending, points 35 to 42
47
Thermal Diffusivity, mm2/s 69
62
Thermal Shock Resistance, points 13 to 18
15

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0
Bismuth (Bi), % 0.4 to 0.7
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
0.050 to 0.1
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.4 to 0.7
0
Magnesium (Mg), % 0.8 to 1.2
93.9 to 96.8
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0
Silver (Ag), % 0
1.3 to 1.7
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3