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6081 Aluminum vs. 328.0 Aluminum

Both 6081 aluminum and 328.0 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 6081 aluminum and the bottom bar is 328.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
72
Elongation at Break, % 9.0
1.6 to 2.1
Fatigue Strength, MPa 110
55 to 80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 310
200 to 270
Tensile Strength: Yield (Proof), MPa 270
120 to 170

Thermal Properties

Latent Heat of Fusion, J/g 410
510
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 610
560
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
30
Electrical Conductivity: Equal Weight (Specific), % IACS 160
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
7.8
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.8 to 5.0
Resilience: Unit (Modulus of Resilience), kJ/m3 540
92 to 200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 32
21 to 28
Strength to Weight: Bending, points 37
28 to 34
Thermal Diffusivity, mm2/s 74
50
Thermal Shock Resistance, points 14
9.2 to 12

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
84.5 to 91.1
Chromium (Cr), % 0 to 0.1
0 to 0.35
Copper (Cu), % 0 to 0.1
1.0 to 2.0
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.6 to 1.0
0.2 to 0.6
Manganese (Mn), % 0.1 to 0.45
0.2 to 0.6
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0.7 to 1.1
7.5 to 8.5
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 1.5
Residuals, % 0
0 to 0.5