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6065 Aluminum vs. R05240 Alloy

6065 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 6065 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
150
Elongation at Break, % 4.5 to 11
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
57
Tensile Strength: Ultimate (UTS), MPa 310 to 400
270
Tensile Strength: Yield (Proof), MPa 270 to 380
170

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Specific Heat Capacity, J/kg-K 890
190
Thermal Expansion, µm/m-K 23
6.8

Otherwise Unclassified Properties

Density, g/cm3 2.8
14
Embodied Water, L/kg 1200
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
59
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
90
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 49
13
Strength to Weight: Axial, points 31 to 40
5.4
Strength to Weight: Bending, points 36 to 43
6.8
Thermal Shock Resistance, points 14 to 18
18

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0
Bismuth (Bi), % 0.5 to 1.5
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.7
0 to 0.010
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
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), % 0.4 to 0.8
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.1
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0