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ZK40A Magnesium vs. 6005 Aluminum

ZK40A magnesium belongs to the magnesium alloys classification, while 6005 aluminum belongs to the aluminum 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 ZK40A magnesium and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 4.2
9.5 to 17
Fatigue Strength, MPa 190
55 to 95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 160
120 to 210
Tensile Strength: Ultimate (UTS), MPa 280
190 to 310
Tensile Strength: Yield (Proof), MPa 260
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 340
410
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 540
610
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
180 to 200
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
54
Electrical Conductivity: Equal Weight (Specific), % IACS 130
180

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 1.8
2.7
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 950
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 740
77 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 65
51
Strength to Weight: Axial, points 43
20 to 32
Strength to Weight: Bending, points 53
28 to 38
Thermal Diffusivity, mm2/s 62
74 to 83
Thermal Shock Resistance, points 17
8.6 to 14

Alloy Composition


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Aluminum (Al), % 0
97.5 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.35
Magnesium (Mg), % 94.2 to 96.1
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
0.6 to 0.9
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 3.5 to 4.5
0 to 0.1
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15