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WE43B Magnesium vs. AWS ENi-1

WE43B magnesium belongs to the magnesium alloys classification, while AWS ENi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 AWS ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
180
Elongation at Break, % 2.2
22
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
69
Tensile Strength: Ultimate (UTS), MPa 250
470

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 960
450
Thermal Conductivity, W/m-K 51
73
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
19
Electrical Conductivity: Equal Weight (Specific), % IACS 53
19

Otherwise Unclassified Properties

Base Metal Price, % relative 34
60
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 28
11
Embodied Energy, MJ/kg 250
150
Embodied Water, L/kg 910
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 61
22
Strength to Weight: Axial, points 36
15
Strength to Weight: Bending, points 46
15
Thermal Diffusivity, mm2/s 28
19
Thermal Shock Resistance, points 15
17

Alloy Composition


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Aluminum (Al), % 0
0 to 1.0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0 to 0.25
Iron (Fe), % 0 to 0.010
0 to 0.75
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0 to 0.75
Nickel (Ni), % 0 to 0.0050
92 to 99
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
1.0 to 4.0
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 0.5