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AM50A Magnesium vs. EN AC-51400 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while EN AC-51400 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-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
71
Elastic (Young's, Tensile) Modulus, GPa 45
67
Elongation at Break, % 11
3.4
Fatigue Strength, MPa 70
85
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Tensile Strength: Ultimate (UTS), MPa 210
190
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 350
400
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 1000
910
Thermal Conductivity, W/m-K 65
110
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
31
Electrical Conductivity: Equal Weight (Specific), % IACS 88
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.7
Embodied Carbon, kg CO2/kg material 23
9.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
51
Strength to Weight: Axial, points 35
20
Strength to Weight: Bending, points 47
28
Thermal Diffusivity, mm2/s 39
46
Thermal Shock Resistance, points 13
8.6

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
90.5 to 95.5
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0040
0 to 0.55
Magnesium (Mg), % 93.7 to 95.3
4.5 to 6.5
Manganese (Mn), % 0.26 to 0.6
0 to 0.45
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0 to 1.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.22
0 to 0.1
Residuals, % 0
0 to 0.15