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7049 Aluminum vs. 390.0 Aluminum

Both 7049 aluminum and 390.0 aluminum are aluminum alloys. They have 80% 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 7049 aluminum and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
120
Elastic (Young's, Tensile) Modulus, GPa 70
75
Elongation at Break, % 6.2 to 7.0
1.0
Fatigue Strength, MPa 160 to 170
76 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
28
Tensile Strength: Ultimate (UTS), MPa 510 to 530
280 to 300
Tensile Strength: Yield (Proof), MPa 420 to 450
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
640
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 480
560
Specific Heat Capacity, J/kg-K 860
880
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
7.3
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 1110
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
52
Strength to Weight: Axial, points 46 to 47
28 to 30
Strength to Weight: Bending, points 46 to 47
35 to 36
Thermal Diffusivity, mm2/s 51
56
Thermal Shock Resistance, points 22 to 23
14 to 15

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
74.5 to 79.6
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
4.0 to 5.0
Iron (Fe), % 0 to 0.35
0 to 1.3
Magnesium (Mg), % 2.0 to 2.9
0.45 to 0.65
Manganese (Mn), % 0 to 0.2
0 to 0.1
Silicon (Si), % 0 to 0.25
16 to 18
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 7.2 to 8.2
0 to 0.1
Residuals, % 0
0 to 0.2