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Commercially Pure Zirconium vs. EN-MC21230 Magnesium

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN-MC21230 magnesium belongs to the magnesium alloys. 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 commercially pure zirconium and the bottom bar is EN-MC21230 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
45
Elongation at Break, % 18
10
Fatigue Strength, MPa 60
99
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
18
Tensile Strength: Ultimate (UTS), MPa 430
220
Tensile Strength: Yield (Proof), MPa 240
140

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Specific Heat Capacity, J/kg-K 270
1000
Thermal Conductivity, W/m-K 22
72
Thermal Expansion, µm/m-K 5.5
27

Otherwise Unclassified Properties

Density, g/cm3 6.7
1.7
Embodied Water, L/kg 450
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
19
Resilience: Unit (Modulus of Resilience), kJ/m3 290
200
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
71
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 19
48
Thermal Diffusivity, mm2/s 12
43
Thermal Shock Resistance, points 56
13

Alloy Composition

Aluminum (Al), % 0
5.5 to 8.5
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
0 to 0.010
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.0050
Magnesium (Mg), % 0
90.5 to 94.4
Manganese (Mn), % 0
0.1 to 0.6
Nickel (Ni), % 0
0 to 0.0020
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.3
Zirconium (Zr), % 94.7 to 100
0
Residuals, % 0
0 to 0.010