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EN AC-46400 Aluminum vs. Commercially Pure Zirconium

EN AC-46400 aluminum belongs to the aluminum alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 EN AC-46400 aluminum and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
98
Elongation at Break, % 1.1 to 1.7
18
Fatigue Strength, MPa 75 to 85
60
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 170 to 310
430
Tensile Strength: Yield (Proof), MPa 110 to 270
240

Thermal Properties

Latent Heat of Fusion, J/g 520
250
Specific Heat Capacity, J/kg-K 890
270
Thermal Conductivity, W/m-K 130
22
Thermal Expansion, µm/m-K 22
5.5

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.7
Embodied Water, L/kg 1070
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
65
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
290
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 18 to 32
18
Strength to Weight: Bending, points 26 to 38
19
Thermal Diffusivity, mm2/s 55
12
Thermal Shock Resistance, points 7.8 to 14
56

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0.8 to 1.3
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.8
0 to 0.2
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0
Nickel (Ni), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 8.3 to 9.7
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Zirconium (Zr), % 0
94.7 to 100
Residuals, % 0 to 0.25
0