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1085 Aluminum vs. 6106 Aluminum

Both 1085 aluminum and 6106 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 1085 aluminum and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 4.5 to 39
9.1
Fatigue Strength, MPa 22 to 49
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
170
Tensile Strength: Ultimate (UTS), MPa 73 to 140
290
Tensile Strength: Yield (Proof), MPa 17 to 120
220

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 640
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
49
Electrical Conductivity: Equal Weight (Specific), % IACS 200
160

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
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
24
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.5 to 14
29
Strength to Weight: Bending, points 14 to 22
35
Thermal Diffusivity, mm2/s 94
78
Thermal Shock Resistance, points 3.3 to 6.1
13

Alloy Composition

Aluminum (Al), % 99.85 to 100
97.2 to 99.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
0 to 0.25
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 0.35
Magnesium (Mg), % 0 to 0.020
0.4 to 0.8
Manganese (Mn), % 0 to 0.020
0.050 to 0.2
Silicon (Si), % 0 to 0.1
0.3 to 0.6
Titanium (Ti), % 0 to 0.020
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0 to 0.15
Residuals, % 0
0 to 0.15