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6016 Aluminum vs. ZK51A Magnesium

6016 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 (2, in this case) are not shown.

For each property being compared, the top bar is 6016 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, % 11 to 27
4.7
Fatigue Strength, MPa 68 to 89
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 130 to 170
160
Tensile Strength: Ultimate (UTS), MPa 200 to 280
240
Tensile Strength: Yield (Proof), MPa 110 to 210
150

Thermal Properties

Latent Heat of Fusion, J/g 410
340
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 610
550
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 190 to 210
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48 to 54
28
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 47
10
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 340
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
64
Strength to Weight: Axial, points 21 to 29
36
Strength to Weight: Bending, points 29 to 35
47
Thermal Diffusivity, mm2/s 77 to 86
61
Thermal Shock Resistance, points 9.1 to 12
15

Alloy Composition

Aluminum (Al), % 96.4 to 98.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 0.25 to 0.6
93.1 to 95.9
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 1.0 to 1.5
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3