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EN AC-44300 Aluminum vs. R05240 Alloy

EN AC-44300 aluminum belongs to the aluminum alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, 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-44300 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
150
Elongation at Break, % 1.1
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
57
Tensile Strength: Ultimate (UTS), MPa 270
270
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 570
210
Specific Heat Capacity, J/kg-K 900
190
Thermal Expansion, µm/m-K 21
6.8

Otherwise Unclassified Properties

Density, g/cm3 2.5
14
Embodied Water, L/kg 1050
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
59
Resilience: Unit (Modulus of Resilience), kJ/m3 150
90
Stiffness to Weight: Axial, points 16
6.3
Stiffness to Weight: Bending, points 55
13
Strength to Weight: Axial, points 29
5.4
Strength to Weight: Bending, points 36
6.8
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.0
0 to 0.010
Manganese (Mn), % 0 to 0.55
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Silicon (Si), % 10.5 to 13.5
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.15
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.25
0