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1085 Aluminum vs. 6063 Aluminum

Both 1085 aluminum and 6063 aluminum are aluminum alloys. They have a very high 99% 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 1085 aluminum and the bottom bar is 6063 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 4.5 to 39
7.3 to 21
Fatigue Strength, MPa 22 to 49
39 to 95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
70 to 190
Tensile Strength: Ultimate (UTS), MPa 73 to 140
110 to 300
Tensile Strength: Yield (Proof), MPa 17 to 120
49 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
190 to 220
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
49 to 58
Electrical Conductivity: Equal Weight (Specific), % IACS 200
160 to 190

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
13 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
18 to 540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.5 to 14
11 to 31
Strength to Weight: Bending, points 14 to 22
18 to 37
Thermal Diffusivity, mm2/s 94
79 to 89
Thermal Shock Resistance, points 3.3 to 6.1
4.8 to 13

Alloy Composition

Aluminum (Al), % 99.85 to 100
97.5 to 99.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 0.35
Magnesium (Mg), % 0 to 0.020
0.45 to 0.9
Manganese (Mn), % 0 to 0.020
0 to 0.1
Silicon (Si), % 0 to 0.1
0.2 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 0.1
Residuals, % 0
0 to 0.15

Comparable Variants