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Commercially Pure Zirconium vs. 6012 Aluminum

Commercially pure zirconium belongs to the otherwise unclassified metals classification, while 6012 aluminum belongs to the aluminum alloys. 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 commercially pure zirconium and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
69
Elongation at Break, % 18
9.1 to 11
Fatigue Strength, MPa 60
55 to 100
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
220 to 320
Tensile Strength: Yield (Proof), MPa 240
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Specific Heat Capacity, J/kg-K 270
890
Thermal Conductivity, W/m-K 22
160
Thermal Expansion, µm/m-K 5.5
23

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.9
Embodied Water, L/kg 450
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 290
94 to 480
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
48
Strength to Weight: Axial, points 18
22 to 32
Strength to Weight: Bending, points 19
29 to 37
Thermal Diffusivity, mm2/s 12
62
Thermal Shock Resistance, points 56
10 to 14

Alloy Composition

Aluminum (Al), % 0
92.2 to 98
Bismuth (Bi), % 0
0 to 0.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0 to 0.3
Copper (Cu), % 0
0 to 0.1
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0
0.4 to 2.0
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.4 to 1.0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.16
0
Silicon (Si), % 0
0.6 to 1.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.3
Zirconium (Zr), % 94.7 to 100
0
Residuals, % 0
0 to 0.15