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7204 Aluminum vs. 390.0 Aluminum

Both 7204 aluminum and 390.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
75
Elongation at Break, % 11 to 13
1.0
Fatigue Strength, MPa 110 to 130
76 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 220 to 380
280 to 300
Tensile Strength: Yield (Proof), MPa 120 to 310
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 380
640
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 120
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.4
7.3
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1140
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
52
Strength to Weight: Axial, points 21 to 36
28 to 30
Strength to Weight: Bending, points 28 to 40
35 to 36
Thermal Diffusivity, mm2/s 58
56
Thermal Shock Resistance, points 9.4 to 16
14 to 15

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
74.5 to 79.6
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
4.0 to 5.0
Iron (Fe), % 0 to 0.35
0 to 1.3
Magnesium (Mg), % 1.0 to 2.0
0.45 to 0.65
Manganese (Mn), % 0.2 to 0.7
0 to 0.1
Silicon (Si), % 0 to 0.3
16 to 18
Titanium (Ti), % 0 to 0.2
0 to 0.2
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.1
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.2