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EN AC-47100 Aluminum vs. EZ33A Magnesium

EN AC-47100 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-47100 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
55
Elastic (Young's, Tensile) Modulus, GPa 73
44
Elongation at Break, % 1.1
2.6
Fatigue Strength, MPa 110
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 270
150
Tensile Strength: Yield (Proof), MPa 160
100

Thermal Properties

Latent Heat of Fusion, J/g 570
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 560
570
Specific Heat Capacity, J/kg-K 890
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
24
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 7.6
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1030
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
61
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 35
33
Thermal Diffusivity, mm2/s 54
54
Thermal Shock Resistance, points 12
9.2

Alloy Composition

Aluminum (Al), % 81.4 to 88.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.7 to 1.2
0 to 0.1
Iron (Fe), % 0 to 1.3
0
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
91.5 to 95
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Silicon (Si), % 10.5 to 13.5
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.55
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3