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358.0 Aluminum vs. 6081 Aluminum

Both 358.0 aluminum and 6081 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is 358.0 aluminum and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 3.5 to 6.0
9.0
Fatigue Strength, MPa 100 to 110
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 320
180
Tensile Strength: Ultimate (UTS), MPa 350 to 370
310
Tensile Strength: Yield (Proof), MPa 290 to 320
270

Thermal Properties

Latent Heat of Fusion, J/g 520
410
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
180
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
47
Electrical Conductivity: Equal Weight (Specific), % IACS 130
160

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 8.7
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1090
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 20
27
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 710
540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
50
Strength to Weight: Axial, points 37 to 39
32
Strength to Weight: Bending, points 42 to 44
37
Thermal Diffusivity, mm2/s 63
74
Thermal Shock Resistance, points 16 to 17
14

Alloy Composition

Aluminum (Al), % 89.1 to 91.8
96.3 to 98.6
Beryllium (Be), % 0.1 to 0.3
0
Chromium (Cr), % 0 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0.4 to 0.6
0.6 to 1.0
Manganese (Mn), % 0 to 0.2
0.1 to 0.45
Silicon (Si), % 7.6 to 8.6
0.7 to 1.1
Titanium (Ti), % 0.1 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15