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1085 Aluminum vs. 6005A Aluminum

Both 1085 aluminum and 6005A 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 6005A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 4.5 to 39
8.6 to 17
Fatigue Strength, MPa 22 to 49
55 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
120 to 180
Tensile Strength: Ultimate (UTS), MPa 73 to 140
190 to 300
Tensile Strength: Yield (Proof), MPa 17 to 120
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
600
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
180 to 190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
47 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 200
150 to 170

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
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
76 to 530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.5 to 14
20 to 30
Strength to Weight: Bending, points 14 to 22
27 to 36
Thermal Diffusivity, mm2/s 94
72 to 79
Thermal Shock Resistance, points 3.3 to 6.1
8.6 to 13

Alloy Composition

Aluminum (Al), % 99.85 to 100
96.5 to 99.1
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
0 to 0.3
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 0.7
Manganese (Mn), % 0 to 0.020
0 to 0.5
Silicon (Si), % 0 to 0.1
0.5 to 0.9
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 0.2
Residuals, % 0
0 to 0.15