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AM50A Magnesium vs. EN AC-48100 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while EN AC-48100 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 EN AC-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 45
76
Elongation at Break, % 11
1.1
Fatigue Strength, MPa 70
120 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
29
Tensile Strength: Ultimate (UTS), MPa 210
240 to 330
Tensile Strength: Yield (Proof), MPa 120
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 350
640
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
580
Melting Onset (Solidus), °C 570
470
Specific Heat Capacity, J/kg-K 1000
880
Thermal Conductivity, W/m-K 65
130
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
27
Electrical Conductivity: Equal Weight (Specific), % IACS 88
87

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.7
2.8
Embodied Carbon, kg CO2/kg material 23
7.3
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 990
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
2.3 to 3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250 to 580
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 71
51
Strength to Weight: Axial, points 35
24 to 33
Strength to Weight: Bending, points 47
31 to 38
Thermal Diffusivity, mm2/s 39
55
Thermal Shock Resistance, points 13
11 to 16

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
72.1 to 79.8
Copper (Cu), % 0 to 0.010
4.0 to 5.0
Iron (Fe), % 0 to 0.0040
0 to 1.3
Magnesium (Mg), % 93.7 to 95.3
0.25 to 0.65
Manganese (Mn), % 0.26 to 0.6
0 to 0.5
Nickel (Ni), % 0 to 0.0020
0 to 0.3
Silicon (Si), % 0 to 0.1
16 to 18
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.22
0 to 1.5
Residuals, % 0
0 to 0.25