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5088 Aluminum vs. 7049 Aluminum

Both 5088 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 91% 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 5088 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 29
6.2 to 7.0
Fatigue Strength, MPa 180
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
27
Shear Strength, MPa 200
300 to 310
Tensile Strength: Ultimate (UTS), MPa 310
510 to 530
Tensile Strength: Yield (Proof), MPa 150
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
36
Electrical Conductivity: Equal Weight (Specific), % IACS 98
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.0
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 32
46 to 47
Strength to Weight: Bending, points 38
46 to 47
Thermal Diffusivity, mm2/s 51
51
Thermal Shock Resistance, points 14
22 to 23

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
85.7 to 89.5
Chromium (Cr), % 0 to 0.15
0.1 to 0.22
Copper (Cu), % 0 to 0.25
1.2 to 1.9
Iron (Fe), % 0.1 to 0.35
0 to 0.35
Magnesium (Mg), % 4.7 to 5.5
2.0 to 2.9
Manganese (Mn), % 0.2 to 0.5
0 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.25
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0.2 to 0.4
7.2 to 8.2
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15