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390.0 Aluminum vs. 7049 Aluminum

Both 390.0 aluminum and 7049 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 390.0 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 4.0 to 5.0
1.2 to 1.9
Iron (Fe), % 0 to 1.3
0 to 0.35
Magnesium (Mg), % 0.45 to 0.65
2.0 to 2.9
Manganese (Mn), % 0 to 0.1
0 to 0.2
Silicon (Si), % 16 to 18
0 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.1
7.2 to 8.2
Residuals, % 0
0 to 0.15