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5019 Aluminum vs. ZE41A Magnesium

5019 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 5019 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 2.2 to 18
3.3
Fatigue Strength, MPa 100 to 160
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170 to 210
150
Tensile Strength: Ultimate (UTS), MPa 280 to 360
210
Tensile Strength: Yield (Proof), MPa 120 to 300
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
27
Electrical Conductivity: Equal Weight (Specific), % IACS 98
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 9.0
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 40
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 650
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 29 to 38
31
Strength to Weight: Bending, points 35 to 42
41
Thermal Diffusivity, mm2/s 52
59
Thermal Shock Resistance, points 13 to 16
12

Alloy Composition

Aluminum (Al), % 91.5 to 95.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 4.5 to 5.6
91.7 to 95.4
Manganese (Mn), % 0.1 to 0.6
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.2
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3