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5049 Aluminum vs. 8090 Aluminum

Both 5049 aluminum and 8090 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 5049 aluminum and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
67
Elongation at Break, % 2.0 to 18
3.5 to 13
Fatigue Strength, MPa 79 to 130
91 to 140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 210 to 330
340 to 490
Tensile Strength: Yield (Proof), MPa 91 to 280
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 620
600
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 140
95 to 160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
20
Electrical Conductivity: Equal Weight (Specific), % IACS 110
66

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.6
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 31
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 59 to 570
340 to 1330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 22 to 34
34 to 49
Strength to Weight: Bending, points 29 to 39
39 to 50
Thermal Diffusivity, mm2/s 56
36 to 60
Thermal Shock Resistance, points 9.3 to 15
15 to 22

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
93 to 98.4
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.1
1.0 to 1.6
Iron (Fe), % 0 to 0.5
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 1.6 to 2.5
0.6 to 1.3
Manganese (Mn), % 0.5 to 1.1
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15