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ISO-WD32250 Magnesium vs. 50Cr-50Ni Alloy

ISO-WD32250 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 (9, 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 ISO-WD32250 magnesium and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 4.5 to 8.6
5.7
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 310 to 330
620
Tensile Strength: Yield (Proof), MPa 240 to 290
390

Thermal Properties

Latent Heat of Fusion, J/g 340
350
Specific Heat Capacity, J/kg-K 980
490
Thermal Expansion, µm/m-K 26
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
50
Density, g/cm3 1.8
8.0
Embodied Carbon, kg CO2/kg material 24
7.9
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 950
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 26
31
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 930
350
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 67
25
Strength to Weight: Axial, points 49 to 51
21
Strength to Weight: Bending, points 58 to 60
20
Thermal Shock Resistance, points 19 to 20
14

Alloy Composition


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Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
48 to 52
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 94.9 to 97.1
0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
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
Zinc (Zn), % 2.5 to 4.0
0
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0 to 0.3
0