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EN AC-51400 Aluminum vs. ZK60A Magnesium

EN AC-51400 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium 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 EN AC-51400 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
46
Elongation at Break, % 3.4
4.5 to 9.9
Fatigue Strength, MPa 85
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
18
Tensile Strength: Ultimate (UTS), MPa 190
320 to 330
Tensile Strength: Yield (Proof), MPa 120
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 910
960
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 9.1
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110
570 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 20
47 to 49
Strength to Weight: Bending, points 28
55 to 56
Thermal Diffusivity, mm2/s 46
66
Thermal Shock Resistance, points 8.6
19 to 20

Alloy Composition

Aluminum (Al), % 90.5 to 95.5
0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.55
0
Magnesium (Mg), % 4.5 to 6.5
92.5 to 94.8
Manganese (Mn), % 0 to 0.45
0
Silicon (Si), % 0 to 1.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3