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WE43B Magnesium vs. K93603 Alloy

WE43B magnesium belongs to the magnesium alloys classification, while K93603 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is WE43B magnesium and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
72
Tensile Strength: Ultimate (UTS), MPa 250
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 550
1380
Specific Heat Capacity, J/kg-K 960
460
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 28
4.8
Embodied Energy, MJ/kg 250
66
Embodied Water, L/kg 910
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 61
23
Strength to Weight: Axial, points 36
17 to 27
Strength to Weight: Bending, points 46
17 to 24
Thermal Shock Resistance, points 15
15 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.010
61.8 to 64
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 0.6
Nickel (Ni), % 0 to 0.0050
36
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
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 to 0.1