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6081 Aluminum vs. R60802 Alloy

6081 aluminum belongs to the aluminum alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 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 6081 aluminum and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
98
Elongation at Break, % 9.0
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 310
430
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 180
22
Thermal Expansion, µm/m-K 23
6.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.5
Embodied Water, L/kg 1180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
85
Resilience: Unit (Modulus of Resilience), kJ/m3 540
380
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 37
19
Thermal Diffusivity, mm2/s 74
12
Thermal Shock Resistance, points 14
53

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Chromium (Cr), % 0 to 0.1
0.050 to 0.15
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
0.070 to 0.2
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Nickel (Ni), % 0
0.030 to 0.080
Silicon (Si), % 0.7 to 1.1
0
Tin (Sn), % 0
1.2 to 1.7
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11