MakeItFrom.com
Menu (ESC)

4006 Aluminum vs. EQ21A Magnesium

4006 aluminum belongs to the aluminum alloys classification, while EQ21A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 4006 aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 45
80
Elastic (Young's, Tensile) Modulus, GPa 69
44
Elongation at Break, % 3.4 to 24
2.4
Fatigue Strength, MPa 35 to 110
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 70 to 91
150
Tensile Strength: Ultimate (UTS), MPa 110 to 160
250
Tensile Strength: Yield (Proof), MPa 62 to 140
190

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 620
560
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 220
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
25
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
80
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.1
27
Embodied Energy, MJ/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1 to 26
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 130
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
63
Strength to Weight: Axial, points 11 to 16
37
Strength to Weight: Bending, points 19 to 24
47
Thermal Diffusivity, mm2/s 89
62
Thermal Shock Resistance, points 4.9 to 7.0
15

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0.050 to 0.1
Iron (Fe), % 0.5 to 0.8
0
Magnesium (Mg), % 0 to 0.010
93.9 to 96.8
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
1.3 to 1.7
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.050
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3