MakeItFrom.com
Menu (ESC)

5456 Aluminum vs. EQ21A Magnesium

5456 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 (6, in this case) are not shown.

For each property being compared, the top bar is 5456 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, % 11 to 18
2.4
Fatigue Strength, MPa 130 to 210
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 190 to 210
150
Tensile Strength: Ultimate (UTS), MPa 320 to 340
250
Tensile Strength: Yield (Proof), MPa 150 to 250
190

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
560
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
25
Electrical Conductivity: Equal Weight (Specific), % IACS 97
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 9.0
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 46
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 33 to 35
37
Strength to Weight: Bending, points 38 to 40
47
Thermal Diffusivity, mm2/s 48
62
Thermal Shock Resistance, points 14 to 15
15

Alloy Composition

Aluminum (Al), % 92 to 94.8
0
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0.050 to 0.1
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 4.7 to 5.5
93.9 to 96.8
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Silver (Ag), % 0
1.3 to 1.7
Titanium (Ti), % 0 to 0.2
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