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Grade 702C Zirconium vs. 3104 Aluminum

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while 3104 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 3104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
70
Elongation at Break, % 13
1.1 to 20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
170 to 310
Tensile Strength: Yield (Proof), MPa 310
68 to 270

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Specific Heat Capacity, J/kg-K 270
900
Thermal Conductivity, W/m-K 22
160
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
1.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 510
34 to 540
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 18
17 to 31
Strength to Weight: Bending, points 19
25 to 37
Thermal Diffusivity, mm2/s 12
64
Thermal Shock Resistance, points 55
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
95.1 to 98.4
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0.050 to 0.25
Gallium (Ga), % 0
0 to 0.050
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.8
Magnesium (Mg), % 0
0.8 to 1.3
Manganese (Mn), % 0
0.8 to 1.4
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 to 0.6
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.15