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EN AC-44400 Aluminum vs. ZE41A Magnesium

EN AC-44400 aluminum belongs to the aluminum alloys classification, while ZE41A 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 EN AC-44400 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61
63
Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 4.1
3.3
Fatigue Strength, MPa 79
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 210
210
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 540
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 590
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 7.8
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1080
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 85
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
63
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 31
41
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 9.8
12

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.65
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.15
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3