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AM50A Magnesium vs. 4147 Aluminum

AM50A magnesium belongs to the magnesium alloys classification, while 4147 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AM50A magnesium and the bottom bar is 4147 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 11
3.3
Fatigue Strength, MPa 70
42
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 120
63
Tensile Strength: Ultimate (UTS), MPa 210
110
Tensile Strength: Yield (Proof), MPa 120
59

Thermal Properties

Latent Heat of Fusion, J/g 350
570
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 620
580
Melting Onset (Solidus), °C 570
560
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 65
130
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
33
Electrical Conductivity: Equal Weight (Specific), % IACS 88
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.7
2.5
Embodied Carbon, kg CO2/kg material 23
7.7
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 990
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 150
24
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 71
55
Strength to Weight: Axial, points 35
12
Strength to Weight: Bending, points 47
20
Thermal Diffusivity, mm2/s 39
58
Thermal Shock Resistance, points 13
5.2

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
85 to 88.9
Beryllium (Be), % 0
0 to 0.00030
Copper (Cu), % 0 to 0.010
0 to 0.25
Iron (Fe), % 0 to 0.0040
0 to 0.8
Magnesium (Mg), % 93.7 to 95.3
0.1 to 0.5
Manganese (Mn), % 0.26 to 0.6
0 to 0.1
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
11 to 13
Zinc (Zn), % 0 to 0.22
0 to 0.2
Residuals, % 0
0 to 0.15