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1230A Aluminum vs. AM50A Magnesium

1230A aluminum belongs to the aluminum alloys classification, while AM50A magnesium belongs to the magnesium 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 1230A aluminum and the bottom bar is AM50A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 4.5 to 34
11
Fatigue Strength, MPa 35 to 74
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 59 to 99
120
Tensile Strength: Ultimate (UTS), MPa 89 to 170
210
Tensile Strength: Yield (Proof), MPa 29 to 150
120

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 640
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 230
65
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
16
Electrical Conductivity: Equal Weight (Specific), % IACS 200
88

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
19
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
150
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
71
Strength to Weight: Axial, points 9.1 to 17
35
Strength to Weight: Bending, points 16 to 25
47
Thermal Diffusivity, mm2/s 93
39
Thermal Shock Resistance, points 4.0 to 7.6
13

Alloy Composition

Aluminum (Al), % 99.3 to 100
4.4 to 5.4
Copper (Cu), % 0 to 0.1
0 to 0.010
Iron (Fe), % 0 to 0.7
0 to 0.0040
Magnesium (Mg), % 0 to 0.050
93.7 to 95.3
Manganese (Mn), % 0 to 0.050
0.26 to 0.6
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0 to 0.7
0 to 0.1
Zinc (Zn), % 0 to 0.050
0 to 0.22