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AM50A Magnesium vs. 3104 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while 3104 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 3104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 11
1.1 to 20
Fatigue Strength, MPa 70
74 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
110 to 180
Tensile Strength: Ultimate (UTS), MPa 210
170 to 310
Tensile Strength: Yield (Proof), MPa 120
68 to 270

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 620
650
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 65
160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
41
Electrical Conductivity: Equal Weight (Specific), % IACS 88
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
1.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 150
34 to 540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
50
Strength to Weight: Axial, points 35
17 to 31
Strength to Weight: Bending, points 47
25 to 37
Thermal Diffusivity, mm2/s 39
64
Thermal Shock Resistance, points 13
7.6 to 13

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
95.1 to 98.4
Copper (Cu), % 0 to 0.010
0.050 to 0.25
Gallium (Ga), % 0
0 to 0.050
Iron (Fe), % 0 to 0.0040
0 to 0.8
Magnesium (Mg), % 93.7 to 95.3
0.8 to 1.3
Manganese (Mn), % 0.26 to 0.6
0.8 to 1.4
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 0.6
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.22
0 to 0.25
Residuals, % 0
0 to 0.15