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240.0 Aluminum vs. ZK61A Magnesium

240.0 aluminum belongs to the aluminum alloys classification, while ZK61A 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 240.0 aluminum and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 1.0
5.8 to 7.1
Fatigue Strength, MPa 140
120 to 140
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 240
290 to 310
Tensile Strength: Yield (Proof), MPa 200
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 520
530
Specific Heat Capacity, J/kg-K 860
960
Thermal Conductivity, W/m-K 96
120
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
29
Electrical Conductivity: Equal Weight (Specific), % IACS 65
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 3.2
1.9
Embodied Carbon, kg CO2/kg material 8.7
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1100
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 280
370 to 420
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 43
62
Strength to Weight: Axial, points 20
42 to 45
Strength to Weight: Bending, points 26
50 to 53
Thermal Diffusivity, mm2/s 35
65
Thermal Shock Resistance, points 11
17 to 18

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Copper (Cu), % 7.0 to 9.0
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 5.5 to 6.5
92.1 to 93.9
Manganese (Mn), % 0.3 to 0.7
0
Nickel (Ni), % 0.3 to 0.7
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3