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6081 Aluminum vs. 5383 Aluminum

Both 6081 aluminum and 5383 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 6081 aluminum and the bottom bar is 5383 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 9.0
6.7 to 15
Fatigue Strength, MPa 110
130 to 200
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 180
190 to 220
Tensile Strength: Ultimate (UTS), MPa 310
310 to 370
Tensile Strength: Yield (Proof), MPa 270
150 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 610
540
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 180
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
29
Electrical Conductivity: Equal Weight (Specific), % IACS 160
97

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
9.0
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
23 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 540
170 to 690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 32
32 to 38
Strength to Weight: Bending, points 37
38 to 42
Thermal Diffusivity, mm2/s 74
51
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
92 to 95.3
Chromium (Cr), % 0 to 0.1
0 to 0.25
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 0.6 to 1.0
4.0 to 5.2
Manganese (Mn), % 0.1 to 0.45
0.7 to 1.0
Silicon (Si), % 0.7 to 1.1
0 to 0.25
Titanium (Ti), % 0 to 0.15
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.4
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15