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6061 Aluminum vs. R60706 Alloy

6061 aluminum belongs to the aluminum alloys classification, while R60706 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 6061 aluminum and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
98
Elongation at Break, % 3.4 to 20
16
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 130 to 410
580
Tensile Strength: Yield (Proof), MPa 76 to 370
390

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 170
17
Thermal Expansion, µm/m-K 24
6.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.7
Embodied Water, L/kg 1180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8 to 81
82
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 1000
760
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 13 to 42
24
Strength to Weight: Bending, points 21 to 45
23
Thermal Diffusivity, mm2/s 68
9.5
Thermal Shock Resistance, points 5.7 to 18
67

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.040 to 0.35
0 to 0.2
Copper (Cu), % 0.15 to 0.4
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.7
0 to 0.2
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.15
0