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5454 Aluminum vs. ZK61A Magnesium

5454 aluminum belongs to the aluminum alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5454 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 2.3 to 18
5.8 to 7.1
Fatigue Strength, MPa 83 to 160
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140 to 200
170 to 180
Tensile Strength: Ultimate (UTS), MPa 230 to 350
290 to 310
Tensile Strength: Yield (Proof), MPa 97 to 290
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
530
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.6
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3 to 34
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 590
370 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 23 to 36
42 to 45
Strength to Weight: Bending, points 30 to 41
50 to 53
Thermal Diffusivity, mm2/s 55
65
Thermal Shock Resistance, points 10 to 16
17 to 18

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 2.4 to 3.0
92.1 to 93.9
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3