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1085 Aluminum vs. 390.0 Aluminum

Both 1085 aluminum and 390.0 aluminum are aluminum alloys. They have 77% of their average alloy composition in common. There are 29 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 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
75
Elongation at Break, % 4.5 to 39
1.0
Fatigue Strength, MPa 22 to 49
76 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 73 to 140
280 to 300
Tensile Strength: Yield (Proof), MPa 17 to 120
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
640
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
560
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 200
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
7.3
Embodied Energy, MJ/kg 160
130
Embodied Water, L/kg 1200
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
380 to 470
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 7.5 to 14
28 to 30
Strength to Weight: Bending, points 14 to 22
35 to 36
Thermal Diffusivity, mm2/s 94
56
Thermal Shock Resistance, points 3.3 to 6.1
14 to 15

Alloy Composition

Aluminum (Al), % 99.85 to 100
74.5 to 79.6
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 1.3
Magnesium (Mg), % 0 to 0.020
0.45 to 0.65
Manganese (Mn), % 0 to 0.020
0 to 0.1
Silicon (Si), % 0 to 0.1
16 to 18
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 0.1
Residuals, % 0
0 to 0.2