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WE54A Magnesium vs. 5754 Aluminum

WE54A magnesium belongs to the magnesium alloys classification, while 5754 aluminum belongs to the aluminum alloys. There are 31 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 WE54A magnesium and the bottom bar is 5754 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 4.3 to 5.6
2.0 to 19
Fatigue Strength, MPa 98 to 130
66 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150 to 170
120 to 190
Tensile Strength: Ultimate (UTS), MPa 270 to 300
200 to 330
Tensile Strength: Yield (Proof), MPa 180
80 to 280

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 25
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
33
Electrical Conductivity: Equal Weight (Specific), % IACS 47
110

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 29
8.7
Embodied Energy, MJ/kg 260
150
Embodied Water, L/kg 900
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 14
6.1 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 380
47 to 580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 39 to 43
21 to 34
Strength to Weight: Bending, points 49 to 51
28 to 39
Thermal Diffusivity, mm2/s 28
54
Thermal Shock Resistance, points 18 to 19
8.9 to 14

Alloy Composition


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Aluminum (Al), % 0
94.2 to 97.4
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.4
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.7 to 93.4
2.6 to 3.6
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.4
Titanium (Ti), % 0
0 to 0.15
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 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15