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ZK51A Magnesium vs. 354.0 Aluminum

ZK51A magnesium belongs to the magnesium alloys classification, while 354.0 aluminum belongs to the aluminum alloys. There are 29 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 ZK51A magnesium and the bottom bar is 354.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 4.7
2.4 to 3.0
Fatigue Strength, MPa 62
92 to 120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
27
Tensile Strength: Ultimate (UTS), MPa 240
360 to 380
Tensile Strength: Yield (Proof), MPa 150
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 340
530
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 24
7.8
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 940
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
8.6 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 260
540 to 670
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 64
52
Strength to Weight: Axial, points 36
37 to 39
Strength to Weight: Bending, points 47
42 to 44
Thermal Diffusivity, mm2/s 61
52
Thermal Shock Resistance, points 15
17 to 18

Alloy Composition

Aluminum (Al), % 0
87.3 to 89.4
Copper (Cu), % 0 to 0.1
1.6 to 2.0
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 93.1 to 95.9
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
8.6 to 9.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 3.6 to 5.5
0 to 0.1
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.15