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2014-T4 Aluminum vs. AM100A-T4 Magnesium

2014-T4 aluminum belongs to the aluminum alloys classification, while AM100A-T4 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 2014-T4 aluminum and the bottom bar is AM100A-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 14
6.8
Fatigue Strength, MPa 140
55
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 260
150
Tensile Strength: Ultimate (UTS), MPa 430
260
Tensile Strength: Yield (Proof), MPa 270
78

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 210
140
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 510
460
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 150
73
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
59

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.1
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
1000

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
14
Resilience: Unit (Modulus of Resilience), kJ/m3 500
66
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 39
43
Strength to Weight: Bending, points 42
53
Thermal Diffusivity, mm2/s 58
43
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 90.4 to 95
9.3 to 10.7
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 0.8
87.9 to 90.6
Manganese (Mn), % 0.4 to 1.2
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.2
0 to 0.3
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.3