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WE43B Magnesium vs. 50Cr-50Ni Alloy

WE43B magnesium belongs to the magnesium alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
210
Elongation at Break, % 2.2
5.7
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 250
620
Tensile Strength: Yield (Proof), MPa 200
390

Thermal Properties

Latent Heat of Fusion, J/g 330
350
Specific Heat Capacity, J/kg-K 960
490
Thermal Expansion, µm/m-K 27
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
50
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 28
7.9
Embodied Energy, MJ/kg 250
110
Embodied Water, L/kg 910
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
31
Resilience: Unit (Modulus of Resilience), kJ/m3 430
350
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 36
21
Strength to Weight: Bending, points 46
20
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
48 to 52
Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.010
0 to 1.0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0 to 0.3
Nickel (Ni), % 0 to 0.0050
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
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