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2014 Aluminum vs. ZE41A Magnesium

2014 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 2014 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.5 to 16
3.3
Fatigue Strength, MPa 90 to 160
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 130 to 290
150
Tensile Strength: Ultimate (UTS), MPa 190 to 500
210
Tensile Strength: Yield (Proof), MPa 100 to 440
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
540
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.1
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
63
Strength to Weight: Axial, points 18 to 46
31
Strength to Weight: Bending, points 25 to 46
41
Thermal Diffusivity, mm2/s 58
59
Thermal Shock Resistance, points 8.4 to 22
12

Alloy Composition

Aluminum (Al), % 90.4 to 95
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 0.8
91.7 to 95.4
Manganese (Mn), % 0.4 to 1.2
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.2
0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.25
3.5 to 5.0
Zirconium (Zr), % 0 to 0.2
0.4 to 1.0
Residuals, % 0
0 to 0.3