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Grade 702C Zirconium vs. 6023 Aluminum

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while 6023 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 grade 702C zirconium and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
69
Elongation at Break, % 13
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
360
Tensile Strength: Yield (Proof), MPa 310
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Specific Heat Capacity, J/kg-K 270
890
Thermal Conductivity, W/m-K 22
170
Thermal Expansion, µm/m-K 5.7
23

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.8
Embodied Water, L/kg 450
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
38 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 510
670 to 690
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 18
35 to 36
Strength to Weight: Bending, points 19
40
Thermal Diffusivity, mm2/s 12
67
Thermal Shock Resistance, points 55
16

Alloy Composition

Aluminum (Al), % 0
94 to 97.7
Bismuth (Bi), % 0
0.3 to 0.8
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0.2 to 0.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0
0.4 to 0.9
Manganese (Mn), % 0
0.2 to 0.6
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.15