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A390.0 Aluminum vs. Grade 705C Zirconium

A390.0 aluminum belongs to the aluminum alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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 A390.0 aluminum and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
200
Elastic (Young's, Tensile) Modulus, GPa 75
98
Elongation at Break, % 0.87 to 0.91
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
36
Tensile Strength: Ultimate (UTS), MPa 190 to 290
540
Tensile Strength: Yield (Proof), MPa 190 to 290
390

Thermal Properties

Latent Heat of Fusion, J/g 640
250
Specific Heat Capacity, J/kg-K 880
270
Thermal Conductivity, W/m-K 130
18
Thermal Expansion, µm/m-K 20
5.7

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.7
Embodied Water, L/kg 950
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
66
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
790
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 19 to 30
22
Strength to Weight: Bending, points 27 to 36
22
Thermal Diffusivity, mm2/s 56
9.9
Thermal Shock Resistance, points 9.0 to 14
69

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 16 to 18
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
91.9 to 98
Residuals, % 0 to 0.2
0