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WE43B Magnesium vs. 512.0 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 512.0 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 WE43B magnesium and the bottom bar is 512.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
69
Elongation at Break, % 2.2
2.0
Fatigue Strength, MPa 110
58
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 250
130
Tensile Strength: Yield (Proof), MPa 200
83

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 550
590
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 53
130

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 28
8.8
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 430
50
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
51
Strength to Weight: Axial, points 36
14
Strength to Weight: Bending, points 46
22
Thermal Diffusivity, mm2/s 28
60
Thermal Shock Resistance, points 15
6.1

Alloy Composition


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Aluminum (Al), % 0
90.6 to 95.1
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.020
0 to 0.35
Iron (Fe), % 0 to 0.010
0 to 0.6
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
3.5 to 4.5
Manganese (Mn), % 0 to 0.030
0 to 0.8
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0
1.4 to 2.2
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 0.35
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15