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238.0 Aluminum vs. Grade 702C Zirconium

238.0 aluminum belongs to the aluminum alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 238.0 aluminum and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
97
Elongation at Break, % 1.5
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
36
Tensile Strength: Ultimate (UTS), MPa 210
430
Tensile Strength: Yield (Proof), MPa 170
310

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Specific Heat Capacity, J/kg-K 840
270
Thermal Conductivity, W/m-K 100
22
Thermal Expansion, µm/m-K 21
5.7

Otherwise Unclassified Properties

Density, g/cm3 3.4
6.7
Embodied Water, L/kg 1040
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
52
Resilience: Unit (Modulus of Resilience), kJ/m3 180
510
Stiffness to Weight: Axial, points 12
8.1
Stiffness to Weight: Bending, points 42
23
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 9.1
55

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 9.5 to 10.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 1.0 to 1.5
0 to 0.3
Magnesium (Mg), % 0 to 0.25
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 3.6 to 4.4
0
Zinc (Zn), % 1.0 to 1.5
0
Zirconium (Zr), % 0
94.8 to 100