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AM50A Magnesium vs. 6065 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while 6065 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AM50A magnesium and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 11
4.5 to 11
Fatigue Strength, MPa 70
96 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
190 to 230
Tensile Strength: Ultimate (UTS), MPa 210
310 to 400
Tensile Strength: Yield (Proof), MPa 120
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 570
590
Specific Heat Capacity, J/kg-K 1000
890
Thermal Conductivity, W/m-K 65
170
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
43
Electrical Conductivity: Equal Weight (Specific), % IACS 88
140

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
2.8
Embodied Carbon, kg CO2/kg material 23
8.4
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 150
540 to 1040
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
49
Strength to Weight: Axial, points 35
31 to 40
Strength to Weight: Bending, points 47
36 to 43
Thermal Diffusivity, mm2/s 39
67
Thermal Shock Resistance, points 13
14 to 18

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.010
0.15 to 0.4
Iron (Fe), % 0 to 0.0040
0 to 0.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.7 to 95.3
0.8 to 1.2
Manganese (Mn), % 0.26 to 0.6
0 to 0.15
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.22
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15