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AM50A Magnesium vs. EN AC-51500 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while EN AC-51500 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-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
80
Elastic (Young's, Tensile) Modulus, GPa 45
68
Elongation at Break, % 11
5.6
Fatigue Strength, MPa 70
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 210
280
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 350
430
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
630
Melting Onset (Solidus), °C 570
590
Specific Heat Capacity, J/kg-K 1000
910
Thermal Conductivity, W/m-K 65
120
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
26
Electrical Conductivity: Equal Weight (Specific), % IACS 88
88

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.6
Embodied Carbon, kg CO2/kg material 23
9.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 990
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
13
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 71
52
Strength to Weight: Axial, points 35
29
Strength to Weight: Bending, points 47
36
Thermal Diffusivity, mm2/s 39
49
Thermal Shock Resistance, points 13
13

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
89.8 to 93.1
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0040
0 to 0.25
Magnesium (Mg), % 93.7 to 95.3
4.7 to 6.0
Manganese (Mn), % 0.26 to 0.6
0.4 to 0.8
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
1.8 to 2.6
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.22
0 to 0.070
Residuals, % 0
0 to 0.15