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ZK40A Magnesium vs. EN AC-46200 Aluminum

ZK40A magnesium belongs to the magnesium alloys classification, while EN AC-46200 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 ZK40A magnesium and the bottom bar is EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
73
Elongation at Break, % 4.2
1.1
Fatigue Strength, MPa 190
87
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 280
210
Tensile Strength: Yield (Proof), MPa 260
130

Thermal Properties

Latent Heat of Fusion, J/g 340
510
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 540
540
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
28
Electrical Conductivity: Equal Weight (Specific), % IACS 130
88

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 1.8
2.8
Embodied Carbon, kg CO2/kg material 24
7.7
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 950
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 740
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 65
50
Strength to Weight: Axial, points 43
21
Strength to Weight: Bending, points 53
28
Thermal Diffusivity, mm2/s 62
44
Thermal Shock Resistance, points 17
9.5

Alloy Composition


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Aluminum (Al), % 0
82.6 to 90.3
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 94.2 to 96.1
0.050 to 0.55
Manganese (Mn), % 0
0.15 to 0.65
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 3.5 to 4.5
0 to 1.2
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.25