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WE43B Magnesium vs. 850.0 Aluminum

WE43B magnesium belongs to the magnesium alloys classification, while 850.0 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 WE43B magnesium and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
69
Elongation at Break, % 2.2
7.9
Fatigue Strength, MPa 110
59
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
100
Tensile Strength: Ultimate (UTS), MPa 250
140
Tensile Strength: Yield (Proof), MPa 200
76

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 550
370
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.3
Specific Heat Capacity, J/kg-K 960
850
Thermal Conductivity, W/m-K 51
180
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
47
Electrical Conductivity: Equal Weight (Specific), % IACS 53
140

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 1.9
3.1
Embodied Carbon, kg CO2/kg material 28
8.5
Embodied Energy, MJ/kg 250
160
Embodied Water, L/kg 910
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 430
42
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 61
44
Strength to Weight: Axial, points 36
12
Strength to Weight: Bending, points 46
19
Thermal Diffusivity, mm2/s 28
69
Thermal Shock Resistance, points 15
6.1

Alloy Composition


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Aluminum (Al), % 0
88.3 to 93.1
Copper (Cu), % 0 to 0.020
0.7 to 1.3
Iron (Fe), % 0 to 0.010
0 to 0.7
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0 to 0.1
Manganese (Mn), % 0 to 0.030
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0.7 to 1.3
Silicon (Si), % 0
0 to 0.7
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.3