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6081 Aluminum vs. R60704 Alloy

6081 aluminum belongs to the aluminum alloys classification, while R60704 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 R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
97
Elongation at Break, % 9.0
16
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 310
470
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 410
240
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
6.7
Embodied Water, L/kg 1180
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
64
Resilience: Unit (Modulus of Resilience), kJ/m3 540
370
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 37
20
Thermal Diffusivity, mm2/s 74
12
Thermal Shock Resistance, points 14
58

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0.2 to 0.4
Copper (Cu), % 0 to 0.1
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.5
0.2 to 0.4
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 0.7 to 1.1
0
Tin (Sn), % 0
1.0 to 2.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
93 to 98.8
Residuals, % 0 to 0.15
0