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EN AC-46300 Aluminum vs. EQ21A Magnesium

EN AC-46300 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 EN AC-46300 aluminum and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
80
Elastic (Young's, Tensile) Modulus, GPa 73
44
Elongation at Break, % 1.1
2.4
Fatigue Strength, MPa 79
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 200
250
Tensile Strength: Yield (Proof), MPa 110
190

Thermal Properties

Latent Heat of Fusion, J/g 490
340
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 530
560
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
25
Electrical Conductivity: Equal Weight (Specific), % IACS 84
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
80
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.7
27
Embodied Energy, MJ/kg 140
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 89
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
63
Strength to Weight: Axial, points 20
37
Strength to Weight: Bending, points 27
47
Thermal Diffusivity, mm2/s 47
62
Thermal Shock Resistance, points 9.1
15

Alloy Composition

Aluminum (Al), % 84 to 90
0
Copper (Cu), % 3.0 to 4.0
0.050 to 0.1
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
93.9 to 96.8
Manganese (Mn), % 0.2 to 0.65
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Silicon (Si), % 6.5 to 8.0
0
Silver (Ag), % 0
1.3 to 1.7
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.65
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3