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EN AC-51500 Aluminum vs. Grade 705C Zirconium

EN AC-51500 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 EN AC-51500 aluminum and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200
Elastic (Young's, Tensile) Modulus, GPa 68
98
Elongation at Break, % 5.6
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 280
540
Tensile Strength: Yield (Proof), MPa 160
390

Thermal Properties

Latent Heat of Fusion, J/g 430
250
Specific Heat Capacity, J/kg-K 910
270
Thermal Conductivity, W/m-K 120
18
Thermal Expansion, µm/m-K 23
5.7

Otherwise Unclassified Properties

Density, g/cm3 2.6
6.7
Embodied Water, L/kg 1150
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
66
Resilience: Unit (Modulus of Resilience), kJ/m3 190
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 36
22
Thermal Diffusivity, mm2/s 49
9.9
Thermal Shock Resistance, points 13
69

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.25
0 to 0.3
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
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), % 1.8 to 2.6
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Zirconium (Zr), % 0
91.9 to 98
Residuals, % 0 to 0.15
0