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Grade 702C Zirconium vs. 5050 Aluminum

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while 5050 aluminum belongs to the aluminum alloys. There are 21 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 5050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
36 to 68
Elastic (Young's, Tensile) Modulus, GPa 97
68
Elongation at Break, % 13
1.7 to 22
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
140 to 250
Tensile Strength: Yield (Proof), MPa 310
50 to 210

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Specific Heat Capacity, J/kg-K 270
900
Thermal Conductivity, W/m-K 22
190
Thermal Expansion, µm/m-K 5.7
24

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 450
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
4.1 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 510
18 to 330
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 18
15 to 26
Strength to Weight: Bending, points 19
22 to 33
Thermal Diffusivity, mm2/s 12
79
Thermal Shock Resistance, points 55
6.3 to 11

Alloy Composition

Aluminum (Al), % 0
96.3 to 98.9
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
0 to 0.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0
1.1 to 1.8
Manganese (Mn), % 0
0 to 0.1
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 0.4
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.15