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1435 Aluminum vs. ZK51A Magnesium

1435 aluminum belongs to the aluminum alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 30 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 1435 aluminum and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 4.1 to 32
4.7
Fatigue Strength, MPa 27 to 49
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 54 to 87
160
Tensile Strength: Ultimate (UTS), MPa 81 to 150
240
Tensile Strength: Yield (Proof), MPa 23 to 130
150

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 230
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
28
Electrical Conductivity: Equal Weight (Specific), % IACS 200
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
13
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
10
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
64
Strength to Weight: Axial, points 8.3 to 15
36
Strength to Weight: Bending, points 15 to 23
47
Thermal Diffusivity, mm2/s 93
61
Thermal Shock Resistance, points 3.6 to 6.7
15

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
0
Copper (Cu), % 0 to 0.020
0 to 0.1
Iron (Fe), % 0.3 to 0.5
0
Magnesium (Mg), % 0 to 0.050
93.1 to 95.9
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 0 to 0.1
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3