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443.0 Aluminum vs. ZK51A Magnesium

443.0 aluminum belongs to the aluminum alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 443.0 aluminum and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
45
Elongation at Break, % 5.6
4.7
Fatigue Strength, MPa 55
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 96
160
Tensile Strength: Ultimate (UTS), MPa 150
240
Tensile Strength: Yield (Proof), MPa 65
150

Thermal Properties

Latent Heat of Fusion, J/g 470
340
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 580
550
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
28
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
10
Resilience: Unit (Modulus of Resilience), kJ/m3 30
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
64
Strength to Weight: Axial, points 16
36
Strength to Weight: Bending, points 23
47
Thermal Diffusivity, mm2/s 61
61
Thermal Shock Resistance, points 6.9
15

Alloy Composition

Aluminum (Al), % 90.7 to 95.5
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.6
0 to 0.1
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 0 to 0.050
93.1 to 95.9
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3