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512.0 Aluminum vs. ZE41A Magnesium

512.0 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 512.0 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
63
Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 2.0
3.3
Fatigue Strength, MPa 58
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 130
210
Tensile Strength: Yield (Proof), MPa 83
140

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 180
150
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 590
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.8
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1160
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 50
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 14
31
Strength to Weight: Bending, points 22
41
Thermal Diffusivity, mm2/s 60
59
Thermal Shock Resistance, points 6.1
12

Alloy Composition

Aluminum (Al), % 90.6 to 95.1
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.35
0 to 0.1
Iron (Fe), % 0 to 0.6
0
Magnesium (Mg), % 3.5 to 4.5
91.7 to 95.4
Manganese (Mn), % 0 to 0.8
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 1.4 to 2.2
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.35
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3