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1085 Aluminum vs. 380.0 Aluminum

Both 1085 aluminum and 380.0 aluminum are aluminum alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 1085 aluminum and the bottom bar is 380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
74
Elongation at Break, % 4.5 to 39
3.0
Fatigue Strength, MPa 22 to 49
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Shear Strength, MPa 48 to 79
190
Tensile Strength: Ultimate (UTS), MPa 73 to 140
320
Tensile Strength: Yield (Proof), MPa 17 to 120
160

Thermal Properties

Latent Heat of Fusion, J/g 400
510
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 230
100
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
27
Electrical Conductivity: Equal Weight (Specific), % IACS 200
83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
7.5
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 1200
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
8.0
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 7.5 to 14
31
Strength to Weight: Bending, points 14 to 22
36
Thermal Diffusivity, mm2/s 94
40
Thermal Shock Resistance, points 3.3 to 6.1
14

Alloy Composition

Aluminum (Al), % 99.85 to 100
79.6 to 89.5
Copper (Cu), % 0 to 0.030
3.0 to 4.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.12
0 to 2.0
Magnesium (Mg), % 0 to 0.020
0 to 0.1
Manganese (Mn), % 0 to 0.020
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0 to 0.1
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 0 to 0.020
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.030
0 to 3.0
Residuals, % 0
0 to 0.5