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Grade 704C Zirconium vs. 6105 Aluminum

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while 6105 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 704C zirconium and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
68
Elongation at Break, % 11
9.0 to 16
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 470
190 to 280
Tensile Strength: Yield (Proof), MPa 310
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Specific Heat Capacity, J/kg-K 270
900
Thermal Conductivity, W/m-K 21
180 to 190
Thermal Expansion, µm/m-K 5.9
23

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 460
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 490
100 to 550
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 20
20 to 29
Strength to Weight: Bending, points 20
28 to 35
Thermal Diffusivity, mm2/s 12
72 to 79
Thermal Shock Resistance, points 58
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
97.2 to 99
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
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 0.3
0 to 0.35
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0
0.6 to 1.0
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.15