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390.0 Aluminum vs. 772.0 Aluminum

Both 390.0 aluminum and 772.0 aluminum are aluminum alloys. They have 78% of their average alloy composition in common. There are 29 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 390.0 aluminum and the bottom bar is 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
69
Elongation at Break, % 1.0
6.3 to 8.4
Fatigue Strength, MPa 76 to 110
94 to 160
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280 to 300
260 to 320
Tensile Strength: Yield (Proof), MPa 240 to 270
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 640
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
35
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 7.3
8.0
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
350 to 430
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
46
Strength to Weight: Axial, points 28 to 30
25 to 31
Strength to Weight: Bending, points 35 to 36
31 to 36
Thermal Diffusivity, mm2/s 56
58
Thermal Shock Resistance, points 14 to 15
11 to 14

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
91.2 to 93.2
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0 to 0.15
Magnesium (Mg), % 0.45 to 0.65
0.6 to 0.8
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 16 to 18
0 to 0.15
Titanium (Ti), % 0 to 0.2
0.1 to 0.2
Zinc (Zn), % 0 to 0.1
6.0 to 7.0
Residuals, % 0 to 0.2
0 to 0.15

Comparable Variants