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Grade 702C Zirconium vs. 1070A Aluminum

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while 1070A aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 97
68
Elongation at Break, % 13
2.3 to 33
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
26
Tensile Strength: Ultimate (UTS), MPa 430
68 to 140
Tensile Strength: Yield (Proof), MPa 310
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Specific Heat Capacity, J/kg-K 270
900
Thermal Conductivity, W/m-K 22
230
Thermal Expansion, µm/m-K 5.7
23

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 450
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 510
2.1 to 100
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 18
7.0 to 14
Strength to Weight: Bending, points 19
14 to 22
Thermal Diffusivity, mm2/s 12
94
Thermal Shock Resistance, points 55
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.030
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0
0 to 0.030
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 0.2
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0
0 to 0.070
Zirconium (Zr), % 94.8 to 100
0