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WE54A Magnesium vs. B390.0 Aluminum

WE54A magnesium belongs to the magnesium alloys classification, while B390.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is WE54A magnesium and the bottom bar is B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
76
Elongation at Break, % 4.3 to 5.6
0.88
Fatigue Strength, MPa 98 to 130
170
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
29
Tensile Strength: Ultimate (UTS), MPa 270 to 300
320
Tensile Strength: Yield (Proof), MPa 180
250

Thermal Properties

Latent Heat of Fusion, J/g 330
640
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
580
Melting Onset (Solidus), °C 570
580
Specific Heat Capacity, J/kg-K 960
880
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 25
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 47
88

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 29
7.3
Embodied Energy, MJ/kg 260
130
Embodied Water, L/kg 900
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
410
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
51
Strength to Weight: Axial, points 39 to 43
32
Strength to Weight: Bending, points 49 to 51
38
Thermal Diffusivity, mm2/s 28
55
Thermal Shock Resistance, points 18 to 19
15

Alloy Composition


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Aluminum (Al), % 0
72.7 to 79.6
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.010
0 to 1.3
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
0.45 to 0.65
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.1
Silicon (Si), % 0 to 0.010
16 to 18
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.2