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1085 Aluminum vs. 6025 Aluminum

Both 1085 aluminum and 6025 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 1085 aluminum and the bottom bar is 6025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 4.5 to 39
2.8 to 10
Fatigue Strength, MPa 22 to 49
67 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 48 to 79
110 to 140
Tensile Strength: Ultimate (UTS), MPa 73 to 140
190 to 240
Tensile Strength: Yield (Proof), MPa 17 to 120
68 to 210

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
33
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
6.0 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
33 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.5 to 14
19 to 24
Strength to Weight: Bending, points 14 to 22
26 to 31
Thermal Diffusivity, mm2/s 94
54
Thermal Shock Resistance, points 3.3 to 6.1
8.2 to 10

Alloy Composition

Aluminum (Al), % 99.85 to 100
91.7 to 96.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.030
0.2 to 0.7
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 0.7
Magnesium (Mg), % 0 to 0.020
2.1 to 3.0
Manganese (Mn), % 0 to 0.020
0.6 to 1.4
Silicon (Si), % 0 to 0.1
0.8 to 1.5
Titanium (Ti), % 0 to 0.020
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0 to 0.5
Residuals, % 0
0 to 0.15

Comparable Variants